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keel over
1．turn upside down；tip over；overturn（船）傾覆；翻轉
The boat keeled over，and all the passengers fell into the water．那條船翻了，乘客們都掉入水中。
The ship keeled over when it hit the rocks，and sank to the bottom with all its passengers and sailors．船觸礁後傾翻了，連同所有的乘客和船員一起沉入了海底。
2．fall over in a faint；faint 暈倒
It was so hot during the assembly that two girls who were standing on the stage keeled over．因天氣太熱，在集合的時候兩個站在台上的女孩暈倒了。
He keeled over with laughter when I told him the joke．我把笑話講給他聽時，他笑得前仰後合。
When the principal told the girl her father died，she keeled right over．校長告訴這女孩她父親去世時，她當場昏了過去。
Several cadets keeled over from the heat during the pdrade．幾個軍校學生在檢閱時因天氣太熱而暈倒。
keen on
interested in；fond of；eager to/for對…有興趣；喜歡；渴望
I'm not very keen on jazz．我對爵士音樂不太感興趣。
She is particularly keen on playing the piano．她對彈鋼琴特別著迷。
Tom is not very keen on Stella．湯姆不太喜歡斯特拉。
keep about/around
1．have sth．always present 隨手可得
I like to keep a few envelopes about in case I need them．我喜歡手頭有些信封，以備萬一要用。
Not many people nowadays keep servants about the houst．當今雇用仆人長住家中的人不多。
2．go on with one's duties 繼續履行職責
She is very ill，but she still keeps about．她病很重，但仍然繼續工作。
keep a civil tongue in one's head
be polite in speaking 出言客氣有禮；講話不粗魯
The bus driver began yelling at the woman and she told him to keep a civil tongue in his head．汽車駕駛員對那位婦女大聲嚷了起來，而她卻要他說話禮貌點。
Don't be rude；keep a civil tongue in your head．別那麽粗魯，說話要客氣點。
kep a good table
always have good food served at one's table and have it in abundance 常有可口和豐盛的食物
All her neighbours abmitted that she kept a good table．所有的鄰居都公認她常有豐盛的食物。
keep a straight face
keep from smiling or laughing 不露笑容
He kept a straight face while he was telling his story．他板著麵孔講述他的故事。
The situation was so humorous that I found it difficult to keep a straight face．場麵如此滑稽，我很難不發笑。
keep after
1．continue chasing 不停地追趕
The police kept after the criminal until at last they caught him．不停地追趕犯人，直到最後逮住了他。
Our PLA detachment kept after the fleeing bandits for a long time before they cautht them．我解放軍小分隊跟蹤追擊那批逃竄的匪徒，好長一段時間才把他們抓住。
2．speak to sb．about sth．again and again；remind over and over again 重複談及；一再提醒
Some pupils will do sloppy work unless the teacher keeps after them to write neatly．有些學生作業馬虎草率，除非老師一再提醒他們要書寫整齊。
If you want to get any essays out of those lazybones，they have to be kept after．你要想讓那些懶鬼寫文章的話，就得反複催促他們不可。
3．find fault with 找毛病
She keeps after the children the whole time．她一直在找孩子們的差錯。
Don't keep after the nurses all day long or they'll all resign．不要整天釘住保育員們找毛病，否則他們都要辭職。
keep an eye on
1．watch in order to take care of 照料
Please keep an eye on my housewhen I am out on holiday．我外出度假時，請照料一下我的房子。
Please keep an eye on my child while I'm away．我不在時，請你幫我照看一下孩子。
2．have an eye on；watch carefully；not stop paying attention to 謹慎注意；不停地注意
We should always keep an eye on the progress of science in the world．我們應密切注意世界上的科學發展。
Keep an eye on the time so you won't be late．注意看看時間，不要遲到了。
We have to keep an eye on the opportunities for business．我們必須注意做生意的機會。
A good driver keeps his eye on the road．好的駕駛員會注意看路。
3．guard 看守；密切注視；警戒
That man looks suspicious；keep an eye on him．那人形跡可疑，注意他。
The bank guard kept an eye on the parking lot while they were loading the armored truck with money．在給裝甲車上裝錢時，銀行的衛兵密切注視著停車場。
keep an eye out for
be on the alert for；be vigilant；watch for 警戒；密切注意
The police have been instructed to keep an eye out for pickpockets at the fair．奉命監視博覽會裏的扒手。
Keep an eye out for future announcements．注意以後的通知。
keep at
1．continue to do；go on with；persist with 持續；繼續；堅持做
He kept at the job till it was finished．他把這個工作堅持做完。
They kept at it，until they succeeded in their experiment．他們堅持不懈，直到試驗成功。
He kept at me for payment．他堅持要我付款。
You must keep at your studies．你不要放棄你的學業。
2．worry with repeated requests，complaints，etc．以不斷地請求、抱怨等糾纏或困擾（某人）
They kept at the filmstar with their appeals for subscriptions．他們纏著那位影星，請求簽名。
The children kept at their mother to take them to the movies，and she had to agree in the end．孩子們纏著媽媽帶他們去看電影，最後她隻好答應了。
keep at arm's length
keep at a distance 保持一段距離
You had better keep him at arm's length．你最好不要和他過分親近。
keep away
1．remain a distance from；prevent sb．from coming or going near；avoid coming 不要接近；阻止某人幹某事
Nothing will keep me away from the exciting play．什麽也無法阻止我去看那出令人激動的戲。
Keep away from the fire．不要靠近那火。
You'd better keep away from the dog．你最好不要靠近那條狗。
Keep the child away from the water's edge．不要讓孩子靠近河邊。
What kept you away yesterday？ 昨天你為什麽沒有來？
2．abstain 戒
He keeps away from liquor and tobacco．他不吸煙，也不喝酒。
keep back
1．prevent from coming阻止
Police horses were used to keep back the crowd．警馬被用來阻擋人群。
Dykes keep back the floodwater．堤坎攔住洪水。
The police tried in vain to keep back the protesting crowds who were rushing towards the government building．企圖擋住衝向大廈的抗議人群，但未能成功。
2．control；hold back 控製
Jim was able to keep back his anger and avoid a fight．吉姆能抑製住自己的憤怒，從而避免了一場毆鬥。
In vain I tried to keep back my tears．我怎麽也忍不住我的眼淚。
3．delay 延遲
I am sorry we were late；we started in good time，but heavy rain on the road kept us back．對不起，我們來晚了。我們雖然準點起程，可一路上大雨耽擱了我們趕路。
4．not tell；conceal 隱瞞
We must not keep back anything we know．不應該隱瞞我們所知道的事。
He is keeping something back from us．他對我們有所隱瞞。
I'll keep back nothing from you．我對你一切都不隱瞞。
The doctor recommended that the exact nature of the woman's illness should be kept back from her．醫生建議不要讓那個婦女知道她所患疾病的確切質。
5．withhold 扣留
National Insurance keeps bacek 5％of my wages．國家保險公司扣除我工資的5％。
They are keeping back the names of the victims．他們扣壓著受害者的名單。
6．reserve；save 保留；留出
The factory keeps back some money every year for welfare purposes．這個工廠每年留出一部分錢用於福利事業。
7．hinder 妨礙
I don't want to keep you back from your work．我不想妨礙你的工作。
I hope I'm not keeping you back．我希望沒有妨礙你。
keep bad hours
be habitually late in returning home or in retiring to rest 晚睡晚起；晚歸晚睡；生活無規律
He keeps bad hours．He is rarely home until past midnight．他生活無規律，常常在午夜後才回家睡覺。
keep behind
make sb．remain after others are gone 留下
Jane was late home because she was kept behind at school to finish some work．簡回家遲了，因為她被留在學校完成功課。
keep body and soul together
keep alive；survive 活下去
They had hardly enough food to keep body and soul together．他們沒有足夠食物來維持生活。
John was unemployed most of the year and hardly made enough money to keep body and soul together．約翰一年中大部分時間失業，他賺的錢簡直不夠維持生活。
When he was out of work，he could hardly keep body and soul together．他失業時，幾乎無法養活自己。
keep clear of
avoid 避開；不接觸
You should keep clear of that fellow．你應當避開那家夥。
You should keep clear of spirits in the tropics．在熱帶地區，你不能飲酒。
When you are in a tropical country，keep clear of insects which may be carrying dangerous diseases．在熱帶國家，要避開那些可能攜帶危險疾病的昆蟲。
keep company
1．associate with 和…交往
See that you do not keep company with undesirable characters．注意不要和不良分子交朋友。
A person may be known by the company he keeps．看他交往的人，就可以知道他是什麽樣的人。
He advised me not to keep bad company．他勸我不要與壞人交往。
You should not keep company withsuch people．你不應該和這類人交往。
2．stay or go with sb．so that he will not be lonely陪伴
I'm glad to keep you company．我很高興和你作伴。
I'll keep you company as far as the end of the lane．我可以一直陪你走到巷子的盡頭。
John kept Andy company while his parents went to the movies．安迪雙親去看電影時，約翰就與他作伴。
He stayed at home to keep his wife company．他留在家裏陪伴太太。
keep cool
remain calm 保持鎮靜
The soldier's courage was partly due to his ability to keep cool in the face of danger．這個士兵有勇氣，部分原因是他能臨危不懼。
keep dark
keep secret保密
We want to know the truth，but he kept dark about it．我們想要知道實情，可是他卻守口如瓶。
Peter told me when he was to be married，and I promised to keep it dark．彼得告訴我他結婚的時間，我答應為他保密。
keep down
1．remain at a lower level 處於低水平
Most of the food shops have promised to keep prices down until after the new year．大多數食品店答應新年之後才漲價。
2．not vomit；retain in the stomach 不嘔吐；留在胃裏
Jane is sick again today；she hasn't been able to keep her food down．簡今天又生病了，吃下的東西都吐了出來。
3．control 控製；抑製
I could hardly keep my temper down when I saw the boys treating my dog badly．當我看見那些男孩待我的狗不好時，簡直按捺不住憤怒。
The children could not keep their voices down．孩子們不能控製他們的聲音。
You should try to keep down your anger．你應該盡量克製自己的脾氣。
The firemen kept the fire down with hoses．消防隊員用水龍管壓住了火勢。
4．keep with limits；limit 限製
She is managing to keep down her daily expenses so she could save more money．她設法緊縮日常開支，以便能積攢更多的錢。
We should keep down the soaring prices．我們應控製物價的飛漲。
We should take measures to keep down nonproductive expenses．我們應采取措施削減非生產開支。
5．keep from progressing or growing；prevent from increasing 阻止…前進、生長、增多
We hoe the garden to keep down the weeds．我們鋤花園裏的地以免雜草叢生。
He has found out a new way to keep down weeds in paddy fields．他們找到了一種控製稻田雜草的新方法。
Chemicals are used for keeping insects down．用化學藥品滅蟲。
6．oppress 鎮壓
The police were ordered to keep down the riot．奉命鎮壓暴動。
The government intends to keep down the revolutionaries．企圖鎮壓革命者。
The peasants were kept down initially but finally they staged an uprising．農民們起初被壓服了，但最後還是舉行了起義。
keep from
1．not let others know it；not tell 保密
You'd better keep the bad news from Mother．你最好不要把這壞消息告訴母親。
Keep the news from him；he will tell everyone about it．不要把這消息告訴他，他會見人就說的。
2．prevent from；hold back 阻止
The government is considering further action to keep the pound from falling in value．正在考慮采取進一步行動以阻止英鎊貶值。
Urgent business kept me from attending the meeting．我因為有急事，所以沒有參加會議。
You'd better keep your daughter from going out at night．你最好禁止你女兒夜間外出。
3．hold oneself back from；stop or prevent oneself from doing sth．避免；不做某事；戒除
He keeps from alcohol．他戒酒了。
Can you keep from repeating gossip？你能避免搬弄是非嗎？
I hope you will keep from doing anything rash．我希望你不要做任何魯莽的事情。
The doctor advised me to keep from smoking．醫生勸我戒煙。
If you get to know him，you can't keep from liking him．你了解他以後，就不會不喜歡他。
keep good/early hours
be habitually early in returning home or in retiring to rest 經常早回家或早睡覺；早睡早起
School boys should keep good hours．上學的孩子要早睡。
Those who keep early hours are generally healthy．早睡早起的人身體好。
keep going
continue to live；maintain in operation 維持生活；維持下去
How does the old man keep going？那位老人是怎麽維持生活的？
The principal of the school died，but the teachers keep the school going as before．校長逝世了，但是老師們維持了正常的教學。
My money can keep me going until pay day．我的錢能使我維持到發工資的時候。
The doctors manage to keep him going．醫生們設法維持他的生命。
I'm not sure that the company can keep going．我不敢斷定這家公司是否能繼續維持下去。
keep house
do the usual work of running home，cooking，cleaning，etc．管理家務
He is quite good at keeping house．他治家有方。
When my grandmother died，Mother went to keep house．我外祖母去世後，我母親就去料理家務。
keep in
1．control 抑製
You should keep in your bad temper．你應該控製你的壞脾氣。
Jim was very angry but he kept himself in．吉姆很氣憤，不過還是忍住了。
2．（make）stay indoors（使）留在室內
It's best to keep in while the temperature is so far below freezing point．氣溫在零下很多度的時候最好不要外出。
Bad weather has kept the children in for a week．糟糕的天氣已經使孩子們在家裏呆了一星期。
We were kept in by the rain．下雨了，我們出不去。
3．continue burning 繼續燃燒
Will the fire keep in till we get back？這火能一直燃燒到我們回來嗎？
The stove will keep in all night if you put enough coal into it．如果在爐子裏放足夠的煤的話，這爐火可燒一夜。
4．detain after normal school hours （as a punishment，etc．）把（學生）留在學校晚回家（作為懲罰等）
Our teacher was in a bad temper today．She kept us all in for half an hour．今天老師脾氣不好，她把我們留在學校晚放學半個小時。
keep in check
1．control；avoid an excess of 控製（增長）
We must keep our spending in check this month．我們必須控製這個月的開銷。
Unless imports are kept in check we are in danger of losing our favourable balance of trade．如果不控製進口，我們就有失去貿易有利平衡的危險。
If I hadn't kept myself in check，I might have said something that I would have regretted later．如果我不控製自己的話，我就會說出一些以後要後悔的話。
2．prevent any further advance by 控製進一步發展
By prompt action the authorities managed to keep the disease in check．當局采取及時措施控製了疾病的蔓延。
keep in contact/touch with
continue in communication with；be in touch with 與…保持聯係
Now that we've met again aftre all these years，let's keep in touch with each other．既然這麽多年之後我們又見麵了，那就讓我們彼此保持聯係吧。
When I was at college I kept in touch with my parents by phoning them every week．我上大學時，每周打一次電話和父母保持聯係。
keep in one's head
remember 記下；背下
I don't know how the chairman keeps all these data in his head．我不知道主席是如何記住這些數據的。
keep in mind
remember；bear in mind記住
Above all，you should keep it in mind to be temperate in eating and drinking．最重要的是，要記住節製飲食。
It must be kept in mind that we shall have to be present before eight tomorrow．一定要記住，我們要在明天8點以前到場。
You must keep in mind that he is younger than you．你應該記住他比你年輕。
Please keep in mind that you promised to call her at two o'clcok．請記住，你曾答應她兩點鍾打電話給她。
keep in with
remain familiar or friendly with與…保持良好關係
You should keep in with him as he is very influential．你應和他搞好關係，他是一個很有影響的人。
keep off
1．prevent from coming near使不接近
Mary tends to keep off from people who try to be friendly too suddenly．瑪麗一般不去接近那些突然變得親熱起來的人。
2．remain at a distance 勿走近；站在遠處
The police told the boys to keep off the grass．告訴孩子們勿踏草地。
Keep off！Keep off！The train is moving．閃開！閃開！火車開動了。
Keep your hands off！勿用手摸！
3．（rain，snow，etc．）not begin；be delayed（雨、雪等）不下；推遲
Will the rain keep off until the game？雨會比賽以後才下嗎？
I hope the rain will keep off half an hour or so，for I've forgotten ot bring an umbrella．我希望這場雨等半個小時左右再下，因為我忘記帶傘了。
4．hinder from approach or attack 阻止；驅散
Smoke will keep off mosquitoes．煙霧可驅散蚊子。
The explorers made a camp fire to keep off wild animals．探險隊員們燃起篝火，使野獸不敢走近。
5．not eat or drink；refrain from 不吃；不喝；戒
The only way to get your weight down is to keep off fattening foods，and cut out alcohol altogether．減輕體重的唯一辦法，就是不吃會使人發胖的食物，並徹底戒酒。
You'd better try to keep off strong spirits．你最好不喝烈酒。
6．not mention；avoid不提；避開（話題）
You'd better keep off the religious issues and talk about smoething else．你最好回避宗教問題，講講別的內容。
keep on
1．continue 繼續
He kept on talking all the time．他一直說個不停。
I wish you wouldn't keep on about the coat you want to buy．我希望你不要再嘮叨那件你想買的外套了。
The neighbors asked them to stop making noise，but they kept right on．鄰居們請他們不要鬧了，但是他們仍舊在鬧。
Keep on till you get to the postoffice and then turn right．一直往前走，到了郵局再往右拐。
2．allow to continue working；continue to employ繼續雇用
The men were kept on by the firm at the insistence of the Union．由於工會的堅決要求，公司繼續雇用了那批工人。
The new owner kept Fred on as gardener．新業主繼續雇用弗萊德做園丁。
3．continue to wear繼續穿著
I've told you before not to keep your socks on if they get wet．以前我告訴過你，如果襪子濕了，就不要再穿了。
He keeps his hat on even if he is at home．他即使在家也是一直戴著帽子。
keep one's distance
be cool toward sb．；avoid being friendly 對某人表示冷淡；不與某人親近
Mary did not like her coworker，Betty，and kept her distance from her．瑪麗不喜歡她的同事貝蒂，因而對她很冷淡。
keep one's eyes on
observe closely；watch注視；提防
Keep your eyes on your book！眼睛看著書！
The police have been keeping an eye on the thief ever since he came out of prison．自那小偷出獄後，就一直注意著他。
He has been keeping his eyes on the developments in house prices．他一直關注著房價的動態。
keep one's eyes open
be watchful注視
Any businessman has to keep his eyes open for a chance of making a profit．任何一個商人都得關注謀利的機會。
He keeps his eyes open and knows the situation clearly．他高度警覺，清楚地了解自己的處境。
keep one's head
keep calm during some emergency （在緊急情況下）保持鎮靜
That housewife kept her head and telephoned the fire department immediately；otherwise the whole house might burn down．那個家庭主婦頭腦冷靜，並且立即給消防隊打電話，否則整個房子就會燒光了。
Above all，keep your head in the face of danger．最主要的是，麵臨危險要鎮靜。
When Jim heard the fire alarm he kept his head and looked for the nearest exit．當吉姆聽到火警鈴聲時，他保持鎮定，尋找最近的出口。
keep one's mind on
continue paying attention to繼續留神；繼續專心於
It's hard to keep your mind on your work with all this noise going on．這些噪聲響個不停，很難使你專心工作。
You ought to keep your mind on what you are doing．你應當專心致誌地做你的工作。
keep one's mouth shut
be or stay silent 閉嘴
This is a cut throat business；keep your mouth shut．這是命相關的大事，不可亂說。
keep one's temper
retain selfcommand and an unruffled spirit 從容不迫；泰然自若；忍住怒氣
To keep one's temper is not a sign of weakness，but an insication of selfpossession and strength．不發脾氣並非表示軟弱，而是說明自製和堅強。
He was insulted，but he managed to keep his temper．他受了侮辱，但他設法忍住了怒氣。
I was so annoyed with him that I found it difficult to keep my temper．我對他非常氣憤，很難不發脾氣。
keep one's word
fulfil one's promise 守約；遵守諾言
She is a girl who keeps her word．她是一個守信的女孩。
You may depend upon what he says，for he is a person who always keeps his word．你可以相信他的話，因為他是一個遵守諾言的人。
You must keep your word even if you should lose by it．即使守信用會吃虧，你也必須遵守信用。
Bill kept his word and arrived exactly at the time he had promised．比爾很守諾言，在他所約定的時刻準時到達。
keep open house
entertain freely 十分好客；所有來客都熱情招待
Mr．Wang is very hospitable；he keeps open house for his friends and fellow workers．王先生十分好客，無論是他的朋友還是同事，他都熱情接待。
keep out
1．hinder from entering 阻止入內
The children have been warned to keep out of the fields while the crops are growing．已經告誡孩子們不要在莊稼生長的時候走進莊稼地。
They have shut the door，and mean to keep us out．他們已經把門關起來，意思是不準我們進去。
Don't keep him out in the cold；ask him to come in．別讓他大冷天站在外麵，請他進來。
The sign on the door said：“Danger！Keep out！”門上的牌子寫著“危險！切勿入內！”
2．withhold；reserve ；save 留出；保留
The best cuts of the meat were kept out for the sick and wounded．最好的幾刀肉留給了傷病員。
3．keep from falling into （danger）；avoid 避免
The number of deaths might be much smaller if we taught little children how to keep out of danger．如果我們教育小孩怎樣避免危險的話，亡的數目可能會減少很多。
keep out of
not become involved in；stay away from sth．bad不參與進去；不介入某事；不要惹事
I warned Bill to keep out of these things，but he wouldn't listen．我告誡過比爾不要參與這些事情，但是他不聽。
Keep out of what doesn't concern you．別參與跟你無關的事。
I hope you'll keep out of trouble while I'm away．我不在家時，希望你不要惹事。
keep pace with
maintain the same rate or speed as；not get behind與…並駕齊驅；不落後
I can't keep pace with her in mathematics．在數學上我比不過她。
We must keep pace with the times．我們必須跟上時代的步伐。
When we go for a walk，John has to take long steps to keep pace with us．當我們出去散步時，約翰必須邁大步才能跟上我們。
His mental development kept pace with the growth of his body．他的智力發展和他的體格發育齊頭並進。
keep quiet
1．remain silent 安靜
The doctor ordered the patient to keep quiet a few days．醫生命令那位病人靜養幾天。
2．keep secret 保守秘密
If I tell you the story，will you promise to keep it quiet？假如我把這件事告訴你，你會保守秘密嗎？
keep to
1．stick to；adhere to；abide by 固守；遵守；堅持
He always keeps to his promises．他總是堅守諾言。
He still keeps to his first resolution．他仍堅持他最初的決定。
It is necessary for us to keep to the style of hard struggle and plain living．我們很有必要保持艱苦樸素的作風。
Whatever your argument， I shall keep to my decision．不管你怎麽爭辯，我都將堅持我自己的決定。
2．stay in 呆在某處
He has decided to keep to his bed．他決定躺在床上。
When he is in a bad temper，he always keeps to her room all day．當他脾氣不好時，就整天悶在自己的房間裏。
The weather is so terrible that most people are forced to keep to the house．天氣太糟糕了，大多數人都被迫呆在家裏。
3．bear towards 靠向
When driving we keep to the right and overtake on the left．駕駛汽車時，我們靠右邊走，超越前麵的車時，應當從左邊走。
In China，traffic keeps to the right．在中國，車輛是靠右行駛的。
4．not deviate from；limit oneself to 使不偏離；限製在（某話題、某範圍內）
Let's keep to the subject since we don't have much time．我們不要離題，因為我們沒有太多時間了。
keep to oneself
1．live apart 避免交際；獨居
He keeps to himself most of the time．他大部分時間獨居自處。
2．remain private 不給人知道；保守秘密
Don't keep the news to yourself；let's all share it．不要隻管自己知道這消息，讓我們也知道吧。
I'll tell you only if you promise to keep it to yourself．你答應保守秘密，我才告訴你。
I can't understand why you kept the news to yourself for so long．我不明白你為什麽這麽長時間也不把消息告訴他人。
keep track of
1．maintain a record of記載
We have to keep track of every cent we spend．我們必須記下用去的每一分錢。
2．follow the progress or course of；keep informed about注意…進展或發展過程；掌握…線索
He reads the newspapers to keep track of current events．他看報以便了解時事。
Mr．Stevens kept track of his business by telephone when he was in the hospital．史蒂文斯先生在住院期間通過電話了解他的生意情況。
The drug squad successfully kept track of the suspected smugglers and arrested them all in one night．那個毒品緝私隊成功地掌握了那些走私嫌疑犯的線索，並在一個晚上將他們全部逮捕。
keep under
1．suppress 控製；壓製
The old man kept his feelings under for too long．老人長期以來抑製住自己的感情。
The firemen battled against the flames for several hours before keeping them under．消防隊員跟大火搏鬥了幾個小時才把火勢控製住。
2．hold in subjection；repress；hold back使處於被統治地位；征服；約束
Kept under for several centuries，the people of this country finally achieved independence．這個國家的人民受奴役壓迫了幾個世紀，最後終於獲得了獨立。
You won't keep her under for much longer．你約束不了她多久了。
3．maintain in a state of unconsciousness or strong sedation處於昏迷或強鎮靜麻醉狀態
The poor man's pain was so intense that he was kept under by means of regular injections of morphine．那個可憐的老人疼得非常厲害，要用打嗎啡針的辦法才能使他鎮靜下來。
Throughout the operation，he was kept under by acupunctural anaesthesia．他在開刀時，一直是用針刺麻醉的。
4．keep observing；maintain a constant watch持續觀察；密切監視
The plainclothes officers were told to keep the suspected man under constant observation．便衣受命密切監視那個有嫌疑的人。
keep under observation
1．watch 注視
The police keep all habitual criminals under observation from the day they leave the prison．所有貫犯自出獄那天就密切注視他們。
2．watch or study attentively 注意觀察；研究
The doctor cannot understand Jane's stomach trouble，and he wants to keep her under observation for a few days．大夫搞不清簡的胃有什麽毛病，於是想把她留在醫院裏觀察幾天。
keep under one's hat
keep secret 保密
If I tell you the date of the election，can you keep it under your hat？假如我把選舉日期告訴你，你能對此保密嗎？
We have won the contract for the new tax computer，but keep it under your hat until it's announced officially．我們已經贏得了這份新型稅務計算機的合同，但在正式宣布之前還要保密。
Mr．Jones knew who had won the contest，but he kept it under his hat until it was announced publicly．瓊斯先生早已知道誰在這次比賽中獲勝，但他保守秘密直到正式宣布為止。
keep up
1．remain at a high level居高不下；不低落
Prices have kept up all the year．全年物價一直居高不下。So long as the cost of raw materials keeps up，prices of consumer goods will keep up，too．隻要原材料成本不下降，消費品價格也不會下降。
2．maintain or continue the same speed or level；not fall behind繼續；保持某一速度和某一水平；不落後
If we can keep up this speed，we should arrive there in about two days．如果我們能保持這個速度，我們在兩天之內就應到達那裏。
That student has been getting all A's．I hope he can keep it up．那個學生各門功課都得了A，我希望他能保持下去。
Bill had to word hard to keep up．比爾得努力才不落後。
The younger boys were not able to keep up in the race．年輕一些的小夥子們在賽跑中沒能跟得上。
In spite of the unfavourable weather，the grain output of the province managed to keep up．盡管天氣不好，這個省的糧食產量並未下降。
3．maintain in good condition or repair 保存：繼續保持良好狀況
Mr．Smith was too poor to keep up his house．史密斯先生太窮了，修不起房子。
The cottage was so old that it was very difficult to keep up．這農舍太破舊了，很難再維持下去。
The city government provides the funds to keep up the roads and other public facilities．市提供資金維修道路和其它公共設施。
4．（spirits，courage，morale，strength，determination，etc．）stay buoyant，bright（精神、勇氣、情緒、體力、決心等）保持愉快、活潑、開朗
Keep up your courage！鼓起勇氣，不要氣餒。
Their spirits kept up well in spite of hardships．雖然很艱苦，但他們精神很飽滿。
Her spirits have kept up very well，despite all her bad luck．盡管她遭到厄運，她的情緒一直很高。
The troops' spirits were kept up by the occasional visit of wellknown entertainers to their camps．由於著名的文娛節目表演者常來到軍營演出，部隊的士氣很高漲。
To keep your strength up，eat well and get enough sleep．要保持體力，就要吃飽睡足。
5．prevent from sinking or falling；support 使浮起；支撐不倒
The life preserver kept him up until the boat came．救生衣使他保持浮在水麵直到小船來救他。
The surviving asilors managed to keep up for several hours and were eventually picked up by a lifeboat．這位幸存的船員努力支撐著使自己浮在水麵，最後終於被一艘救生艇救起。
Those houses are so badly built that one wonders how they keep up in a strong wind．這些房子建造得太差勁，我們懷疑它們怎麽能經受得住大風暴的襲擊。
6．maintain friendship or correspondence保持友誼或通訊關係
I've kept up friendship with him for twenty years．我和他20年來一直保持著友好關係。
I keep up correspondence with my college friends．我一直跟我大學時代的朋友通信。
7．（storm，sunshine，rain，etc．）go on；not stop；continue繼續The rain kept up for two days and the roads were flooded．雨持續下了兩天，路麵已積水成災。
If this storm keeps up，the crops will be destroyed．這場風暴要是持續不停，莊稼就要被毀了。
I hope the weather will keep up．我希望這天氣晴朗下去。
8．keep informed 知悉
Mary is interested in politics and always keeps up with the news．瑪麗對政治很感興趣，對新聞總是知道得很多。
9．prevent from going to bed at the usual time 影響某人在正常時間去睡覺
“Good heavens！It's nearly half past midnight．I must go and I do hope I haven't kept you up．”“天哪！快半夜了，我得走了，但願沒有影響你休息。”
You shouldn't keep your guests up talking for so long．你不該不讓客人睡覺陪你談這麽長時間。
10．continue to practise，observe；not allow to lapse or be neglected （the old customs，tradition，etc．）繼續保存（習俗、傳統等）；不允許生疏或忽視
Although the children know all about the myth of Father Christmas，they still like to keep up the old Christmas customs．盡管孩子們知道聖誕老人的秘密，但他們還是喜歡保持聖誕節的這種風俗習慣。
If only I'd kept up my German，I might have got that job in Berlin．要是我沒有把德語荒疏就好了，否則我就會得到那份在柏林的工作了。
11．prevent from falling；stay in position 使不掉下來；使保持在適當的位置上
Some boys wear suspenders to keep their trousers up．有些男孩使用帶來住褲子。
12．（efforts，good work，payments，rent） maintain or continue with regularity 繼續定期（努力、付款、付租金等）
If you don't keep up the payments，I'm afraid the company will take possession of you car．如果你不能定期付款的話，恐怕公司就要收回你的車子了。
keep up/save appearance
present an unchanged front or appearance in public（esp．following some loss of status，prestige or fortune）裝門麵；虛飾外表
She would tather go hungry and keep up appearance that eat properly and wear last year's fashions．她寧願挨餓也要顧全麵子而不願吃得好穿著過時的衣服。
It's silly to spend money just to keep up appearance．僅僅為了裝門麵圖外表而那樣花錢是愚蠢的。
Some young people spend lots of money on weddings just to keep up appearance．一些年輕人在婚禮上花費很多的錢僅僅是為了講排 場、裝門麵。
keep up with
remain on the level with；maintain the same speed with保持同一水平；趕上
My secretary works so fast that no one in the office can keep up with her．我的秘書工作非常快，辦公室裏沒有人能趕上她。
Every home and office needs the latest electronic equipment to keep up with the times．每個家庭和辦公室都需要最新的電子設備以趕上時代的步伐。
I have to work hard to keep up with the other students．我必須努力學習，趕上其他同學。
kick about/around
1．treat badly by kicking or hitting 粗暴對待
You can't kick him around like that．你不能這樣粗暴地對待他。
The mother was taken to court for kicking the child about．這位母親因虐待孩子而被送上法庭。
Mr．Jones is always kicking his dog around．瓊斯先生總是虐待他的狗。
2．talk easily and carelessly back and forth about；discuss 扯來扯去地討論；漫談
At first our committee didn't want to accept my plan，but later they decided to kick it around for a while．起初委員會不同意接受我的計劃，但後來他們決定議一議。
Bod and I kicked around the idea of going swimming，but it was hot and we were too lazy．鮑勃和我說來說去想去遊泳，可是天氣太熱，我們也懶得動。
We'll begin the meeting by kicking around a few possibilities on how we might raise the money，then we'll make some decisions．我們一開始得先討論一下如何募捐的幾種可能，然後再做一些決定。
The committee kicked your suggestion around for over an hour．委員會對於你的建議討論了一個多小時。
3．lie around or in a place；be treated carelessly；be neglected 閑置；忽視；冷落
This old overcoat has been kicking around the closet for years．這件舊大衣放在壁櫥中已多年不穿
The manuscripts have kicked around on the desk for days．那些文稿堆在寫字台上已有好多天無人處理。
4．move about often； go from one job or place to another經常到處跑；常換職業
Jack has kicked around all over the world as a visiting professor．傑克以訪問教授的身份走遍了全世界。
He's been kicking around for several months．他幾個月來一直到處跑。
5．be present； alive； be in existence到場；活著；存在
It never occurred to me he was still kicking around； for years I thought he was dead．我從沒想到他居然還活著，多年來我一直以為他已經了。
The idea of flight had been kicking around for centuries before man actually achieved it．關於飛行的想法持續了幾個世紀以後人類才真正予以實現。
kick against
oppose；dislike不喜歡；反對
The customers are kicking against paying such high prices．顧客不肯出這樣的高價。
kick back
1．return as a reward， often secretly； pay money illegally（悄悄地）報答；回扣
We won the contract because we agreed to kick back 5％ of the profit to him．我們贏得了這項合同，因為我們同意悄悄地給他5％的回扣。
Most of us suspect that the contractor kicks back a certain amount to our manager but there is no concrete evidence．我們中大多數人都懷疑承包商給了我們經理一定數量的回扣，但是沒有確鑿證據。
2．kick sb． in retaliation； counterattack報複；回擊
We ought to kick back at all these unfair allegations of corruption in our organization．對那些指責本組織貪汙腐敗的胡言亂語，我們應當給予還擊。
He said he would kick back at his accusers when the time came．他說他到時候要對控告他的人進行還擊。
I'll kick back at such malicious slander．我將對這種惡毒的攻擊進行反擊。
3．restore（stolen property， money， etc．） to the owner把（偷來的錢、物等）退還原主
The thief was severely punished and enjoined to kick back all the stolen money．盜竊犯受到了嚴厲懲罰，並被責令退還全部贓款。
kick down the ladder
said of persons who repudiate or ignore the friendship or associations by means of which they have risen in the world忘恩負義；過河拆橋
As soon as Harris became manager of the company he kicked down the ladder and turned his back on his former friends．哈裏斯一當上經理就翻臉不認人，不理睬過去的朋友了。
kick in
1．contribute one's share，esp．in money 捐獻；捐款
Each of us had to kick in a certain amount toward the general expenses．我們每人需捐獻一定數量的錢作為公共費用。
We all agreed to kick in 10％ of the cost．我們都同意負擔10％的費用。
He said he would kick in for the annual Christmas party．他說他要為一年一度的聖誕節晚會捐款。
An unknown contributor kicked in with 500 dollars．一位匿名人士捐了500美元。
2．die 去
After a long illness，the old man kicked in last night．那位老人久病不愈，昨晚了。
He kicked in at the ripe old age of 90．他在90高齡時去世了。
She kicked in after a long and painful illness．她害了一場極其痛苦的、久治不愈的大病後去了。
kick it
end a bad or unwanted habit（such as drinking， smoking or drug addiction）戒除不良惡習（如飲酒、抽煙、吸毒等）
Farnsworth finally kicked it；he's in good shape．法恩斯沃思終於改掉了惡習，現在身體很好。
kick off
1．（football）begin the game by kicking the ball（足球）中線開球
The match is due to kick off at 4：30 p．m．足球比賽定於下午4點半開始。
John kicked off and the football game started．約翰開球，足球比賽開始了。
2．begin；launch；start開始；發起
The candidate kicked off his campaign with a speech on television．這位候選人以一篇電視演說而開始他的竟選活動。
We kicked off with groupsinging．我們以合唱開始了演出。
Who will kick off with the first question for our speaker？誰願意開頭炮，向我們演講者提問題？
3．die；亡故
He was almost eighty years old when he kicked off．他去世時已差不多80歲了。
I hear poor old Charlie has kicked off．我聽說可憐的老查理已經了。
After his wife kicked off， he lived with his son．妻子後，他就和兒子一起生活。
4．stop operating停止運轉
The old washing machine has kicked off again．那台舊洗衣機又不轉動了。
kick on
begin working suddenly突然工作
Suddenly the motor kicked on，when I had almost given up hope．就在我快要失望的時候，馬達突然起動了。
kick oneself
be sorry or ashamed； regret抱怨自己；自責；懊悔
When John missed the train， he kicked himself for not having left earlier．當約翰沒趕上火車時，他埋怨自己沒早點出門。
No sooner had I uttered the words than I kicked myself for I knew they were utterly wrong．我這些話剛一出口就懊悔了，因為我意識到這些話全錯了。
kick out
1．make sb． leave a place， often for a fault（因犯錯誤）開除某人
If I were you，I would kick those people out of the company．如果我是你，我就會把這些人趕出公司。
When we found out that he had lied，we immediately kicked him out of the club．當我們發現他說謊時，立即將他從俱樂部開除出去了。
The worker was kicked out because he had offended the manager．那位員工因得罪經理而被開除了。
2．resist strenuously拚命抵抗
Don't treat him like that， or he'll kick out．不要那樣對待他，否則他會極力反抗的。
kick over
1．（of a motor） begin to work（發動機）發動；開始工作
Try as he would， he couldn't kick the motor over．他怎麽努力試，也無法使馬達發動起來。
He had not used his car for two months and when he tried to start it，the motor would not kick over．他已有兩個月沒有用汽車了，當他試著發動時，馬達已發動不起來了。
2．pay；contribute付款；捐贈
The highway men forced the travellers to kick over all the money they had．攔路的強盜向旅行者勒索他們身上所有的錢。
The gang forced all the store keepers on the block to kick over ＄10 a week．這幫流氓強迫這條街上所有的商店每周交出10美元來。
kick over/jump the traces
break the rules；behave in an undisciplined way犯規；不遵守紀律；不受紀律約束
When their teacher was absent and they had a substitute， the children kicked over the traces．當他們的老師請假並請了一位代課老師時，孩子們鬧翻了天。
kick up
1．stir up（trouble）；make or cause a disturbance， scene， etc．惹起（麻煩）；引起（騷亂等）；大吵大鬧
You have to handle him diplomatically or else he'll kick up a lot of trouble．對待他要策略點，否則他會搗亂的。
A crowd of youths outside the door were kicking up such a noise that we could scarcely hear ourselves speak． 門外一群青年人大聲吵鬧，我們幾乎聽不見自己的講話。
2．show signs of not working right 身體有不舒服的感覺；發生故障
He had had too much to eat and his stomach started to kick up．他吃得太多了，胃不舒服。
After working well for a year， the air conditioner suddenly started kicking up．這台空調器正常工作了一年以後突然出了毛病。
3．drive or force dust， etc．upward by kicking踢起灰塵等
The car picked up speed and was soon veiled by the clouds of dust it kicked up．汽車越開越快，不一會兒就被揚起的灰塵淹沒了。
The truck kicked a cloud of dust up．卡車揚起了一大片灰塵。
kick up a fuss/a dust/a row
make trouble； make a disturbance 惹事端；起騷擾
Don't kick up a fuss about such trifles！不要為這點小事就吵吵嚷嚷！
When the teacher left the classroom， two boys kicked up a row．老師離開教室時，兩個男孩開始打了起來。
If I refuse to go to the theater， my wife is sure to kick up a row．如果我拒絕去戲院，我妻子一定會大鬧一場。
She is the kind of person who will kick up a fuss about a very trivial matter．她是那種為一點小事就會大吵大鬧的人。
kick up one's heels
have a merry time； celebrate歡欣鼓舞；慶祝
When exams were over， the students went to town to kick up their heels．考試結束後，學生們進城去歡慶了一番。
The children kicked up their heels as soon as they were let out of school．孩子們一放學就高興得手舞足蹈。
kill off
1．kill or end completely；destroy 殺絕；毀滅
The invaders killed off all the inhabitants of the town．侵略者殺光了全城的居民。
The factory dumped poisonous wastes into the river and killed off the fish．工廠排出有毒的廢水，毒了河中的魚。
2．extinguish；eliminate 消除；耗盡；去掉
The president suggested a new law but many members of the Congress were against the idea and they killed it off．總統建議立新法，但很多國會議員反對，因此把它否決了。
The lack of enthusiasm killed the project off quickly．由於大家缺乏熱情，那項計劃很快就不了了之。
kill time
waste time； cause the time to pass more rapidly消磨時間
They killed time by playing cards．他們玩紙牌來消磨時間。
That's all rightdo stay and chat．I'm killing time till I go home．好吧，再留下來談一會兒。我在回家前也隻是消遣消遣。
To kill time until the exhibition opened， we looked round the shops．因等展覽會開門，我們去逛商店消磨時間。
kill two birds with one stone
succeed in doing two things by only one action一箭雙雕
Mother stopped at the supermarket to buy some bread and then went to get Jane at the dancing class； she killed two birds with one stone．媽媽在超級市場買了些麵包，然後去舞蹈訓練班接簡回家，她一舉兩得。
“When you're next in London，come and see me．”“Yes， I'll do some shopping and kill two birds with one stone．”“下次你來倫敦時就來看看我。”“當然，我還將買點東西，一舉兩得嘛。”
kind of
almost but not quite有點兒；有幾分
Bob was kind of tired when he finished the job．鮑勃完成工作後有點累。
knock about/around
1．travel without a plan； wander with no fixed aim漫遊；無目的地遊逛
After graduating from college，Joe knocked about for a year seeing the country before he went to work in his father's business．喬大學畢業後用一年時間周遊全國，然後才去他父親的商行上班。
He's not yet thirty， but he's knocked about the world a good deal．他還沒到30歲，但已在世界上跑了不少地方。
He has been knocking about Africa most of his life．他已經在非洲旅行大半輩子了。
2．beat with the fists； mistreat physically or mentally拳打；虐待
The boxer knocked his opponent about all over the ring．拳擊者把對方打得在拳擊場上打轉。
He knocks his wife about a bit．他有點虐待妻子。
He was often knocked about by the shop owner during his apprenticeship．他在學徒期間常常遭到店老板的虐待。
I wish they'd stop knocking their children about．希望他們別再虐待他們的孩子。
3．damage； knock continually and damage（furniture， decorations，etc．）破壞；不停地敲打以致破壞（家俱或裝飾物）
The harvest was badly knocked about by the storm．由於那場暴風雨，莊稼的收成遭到了破壞。
I don't like the children playing in this room， for fear they knock the furniture about．我不喜歡孩子們在這房間裏玩，怕他們把家俱弄壞。
4．lie about here and there；be found or seen； going about到處亂放；被找到；到處走動
That old thing has been knocking about the house for years．那件舊東西隨便丟在家裏已經好些年了。
The book is now out of print， but there are probably still copies of it knocking about in the libraries and bookshops．這本書已經絕版了，但在圖書館或書店也許還能找到幾本。
There seem to be a lot of policemen knocking about in this district tonight．今晚在這地區似乎有許多到處巡邏。
knock against
meet sb． unexpectedly偶然碰到某人
Who do you think I knocked against in the school this morning？你猜今天我在學校遇到誰了？
I knocked against Mr．Smith in the park this afternoon．今天下午我在公園碰到了史密斯先生。
knock away
knock repeatedly， as at a door不停地敲（門）
I've been knocking away for ages，but nobody has answered the door．我敲門敲了很長時間，可沒人開門。
knock back
1．consume quickly迅速用光；喝光
He knocked back two double whiskies．他一口氣喝光了兩杯雙料威士忌。
2．cost花費
How much did your new jacket knock you back？你那件新上裝花多少錢買的？
That car must have knocked her back a few pounds！那輛轎車肯定花了她好些英鎊！
3．shock； stun震驚
This unexpected news fairly knocked me back！這出人意料的消息使我頗為震驚！
This kind of news knocks you back a bit， doesn't it？這消息有點使你吃驚，是嗎？
knock down
1．knock to the floor or ground擊倒；擊敗
He knocked his opponent down．他擊敗了對手。
With one blow he knocked his assailant down．他一拳就把襲擊他的人打倒在地。
2．strike and cause to fall撞倒
The girl was knocked down by a lorry as she ran across the road．這女孩在跑過馬路時被卡車撞倒了。
He was knocked down by a car and was rushed to the hospital．他被汽車撞倒後，隨即被送進醫院。
3．signify the sale of an article at auction by a blow of the hammer 拍賣時擊槌以示賣出
The picture was knocked down to me for ＄ 20 at an auction．這幅畫在拍賣中以20美元賣給了我。
The auctioneer knocked the bureau down to a furniture dealer from York．拍賣人把那張寫字台賣給約克的一個家俱商。
A mahogany table was knocked down for five pounds．一張桃花心木桌以5英鎊的價錢賣出去了。
4．compel sb． to lower the price of 迫使減價；壓價
He asked ＄500 for his car， but I managed to knock him down by 10percent．他出價 500美元賣他的車子，但我竭力使他減價10％。
The price was knocked down to ￡5．價格降低到了5鎊。
The storekeeper decided to knock down his remaining winter stock．店主決定將剩餘的冬季存貨減價出售。
5．take apart in handling or transportation拆散；拆零（以便裝運）
London Bridge was knocked down stone by stone and rebuilt in the middle of a desert in the United States．倫敦大橋被一塊石頭一塊石頭地拆除了，重新安裝在美國的一片沙漠中心。
We knocked down the bookcase and packed them in the car．我們將書櫥拆散裝進汽車。
6．tear down； demolish拆毀；拆除
These old houses will be knocked down to make room for a stadium．這些舊房子將被拆除，以騰出地方來造一座體育館。
We are going to knock down those old buildings．我們不久就要拆除那些舊建築物。
7．embezzle money from one's employer盜用雇主之錢
He knocked down plenty of the cash without being caught．他盜用了不少現金，未被發覺。
8．receive，as a salary or a scholastic grade； earn掙得（薪金）；獲得（分數）
He knocks down about ＄12，000 a year．他一年大約賺1萬2千美元。
9．call upon要求
The chairman knocked her down for a song．主席要求她唱一支歌。
10．cause（a sailing vessel） to heel，as by a gust of wind，to such a degree that it cannot right itself （風）使船傾斜
Lower the sail or the boat will be knocked down．把帆放下來，否則船會被風吹翻的。
knock off
1．stop；leave work 中止（工作）；停工
Let's knock off early today and go to see a ball game．我們今天早點下班去看球賽。
We start work at eight and knock off at twelve．我們8點開始工作，12點收工。
What time do you knock off on Fridays？你們星期五什麽時候下班？
2．deduct除去；扣去；減去
He knocked off ten percent from the price．他殺價10％。
When he received his money he found that five pounds had been knocked off for expenses incurred．當他收到錢時，他發現由於各種開支扣除了5鎊。
3．compose（a poem， an article， a novel， etc．） rapidly and in a short time很快就寫出（詩、文章、小說等）
He sat down and knocked off an article for the local paper in an hour．他坐下來在一小時內很快就給當地報紙寫了一篇文章。
She knocked that article off in no time at all．那篇文章她一揮而就。
The boy knocked off his homework in 15 minutes and ran out to play tennis．這孩子在15分鍾內匆匆寫完作業就跑出去打網球了。
4．steal from； commit robbery at 偷竊；搶劫
They knocked off a bank．他們搶了一家銀行。
The boy knocked off a necklace when the shop assistant wasn't looking．那個男孩在店員不注意時，偷了一條金項鏈。
5．eat up quickly吃得快
He knocked off two chops and a plateful of vegetables in about ten minutes and then asked for more．他在10分鍾內就吃完兩塊排骨和一碟蔬菜，然後又要加菜。
6．obtain獲得
He knocked off a Nobel prize．他獲得了諾貝爾獎金。
7．take into custody； arrest拘留；逮捕
He was knocked off by the police．他被拘捕了。
8．murder謀殺
The gangsters knocked off Herman．歹徒謀害了海爾曼。
They say that the policeman got knocked off because he saw the raiders'faces．他們說那個被殺了，因為他看見了強盜的麵孔。
knock off sb．'s feet
surprise sb． so much that he does not know what to do使人驚慌失措
When Charlie was given the prize，it knocked him off his feet．當向查理授獎時，他不知所措。
knock on
continue working繼續工作
Let's knock on for another．讓我們再幹一個小時吧。
knock out
1．stun；render unconscious擊昏
He received a blow on the head which knocked him out．他頭上被打了一拳就昏倒了。
The falling ladder hit him on the head and knocked him out．梯子倒下來擊中了他的頭部，把他打昏過去了。
The boxer knocked his opponent out．拳擊運動員把對手擊暈。
2．eliminate from a competition；defeat an opponent by knocking him out of the fight 從比賽中排除
He was knocked out in the second round of this tournament．他在第2輪比賽中就被擊敗了。
He has now knocked out most of the other competitors．他現在已經壓倒了多數其他競賽對手。
3．empty by knocking 磕幹淨
After knocking out his pipe， the old man went on with his story．老人把煙鬥裏的煙灰磕幹淨後，又繼續講故事。
4．overwhelm with surprise使震驚；使驚得發呆
For a moment she was completely knocked out by the news．這條消息一下子就使她驚得目瞪口呆。
The beautiful scenery really knocks me out．這美麗的景色簡直把我給迷住了。
5．play（a tune） rather unskillfully on the piano不熟練地彈鋼琴
I am not a very accomplished pianist， but I can knock out a tune．我不是一個好的鋼琴演奏者，但能勉強彈奏一曲。
6．create or finish roughly or hastily粗率地或匆忙地創作成或完成
He knocked out a plan in half an hour．他半小時就草擬出一個計劃。
She knocked out ten letters in one evening．她一個晚上寫了10封信。
7．make inoperative； destroy使不能使用；破壞；損壞
The telephone communications were knocked out by the storm．電話線被風暴摧毀了。
The power supply system knocked out by the typhoon has been repaired．被台風刮壞的供電係統已經修複。
8．make sb．exhausted使（某人）疲勞；使（某人）累垮
He knocked himself out with excessive work．他工作過度，把身體累垮了。
9．do one's best； exert oneself to the utmost盡最大努力；竭盡全力
He knocked himself out cramming for the exams．他正竭盡全力趕功課準備應試。
The workers knocked themselves out to fulfil their production quota ahead of time．工人們為提前完成生產指標，把全部氣力都使上了。
knock over
1．strike from an erect to a prone position把…打翻；打倒
He knocked the thief over with one blow．他一拳將小偷打翻在地。
Carelessly， I knocked my teacup over and the tea went all over the table cloth．我不小心把茶杯打翻了，台布上全是茶。
2．upset；distress使心煩意亂；使痛苦
The family was completely knocked over at the news．一家人都被這個消息攪得心煩意亂。
3．get rid of去掉
They knocked over a lot of difficulties and succeeded at last．他們克服了許多困難，最後終於成功了。
4．get through with完成；辦完
He knocked over his exercises in half an hour．他在半小時內完成了作業。
5．steal； rob偷；搶
These gangsters are experienced in knocking over banks．這些匪徒對搶劫銀行是很老練的。
knock up
1．wake by knocking敲醒
The old man knocked up his grandson by beating gently on the bedroom window．老人輕輕敲臥室的窗戶，喚醒了在裏麵睡覺的孫子。
Will you knock me up at 7：30 in the morning please？你早上7點半敲門把我叫醒好嗎？
I'd like to be knocked up early tomorrow． I've an appointment in London at 9 o'clock．我希望明天有人早點把我叫醒，我9點鍾在倫敦有個約會。
2．make ill使疲乏；病倒
Bill must be overworked； he looks badly knocked up．比爾一定是過度勞累了，他看上去疲憊不堪。
Don't knock yourself up trying to finish the job．不要因為急於完成這項工作而把你自己累病了。
I must have a rest；I'm just about knocked up．我得休息一會兒；我差不多精疲力盡了。
Working in the scorching sun all day has knocked me up．在灼熱的太陽下工作了一天，我已疲憊不堪了。
3．injure； wound傷害
Two kids were badly knocked up in the car accident．那次車禍使兩個孩子受了重傷。
Her arm was knocked up a bit，but not seriously．她的手臂撞傷了一點，但並不嚴重。
4．make，as an income，from various sources通過各種渠道賺錢
Andrew knocked up over ￡4，000last year．安德魯去年賺了4000多英鎊。
I wouldn't mind betting he knocks up almost five thousand pounds a year，one way and another．我敢打賭，他各種收入加起來幾乎是一年5000英鎊。
5．damage；mar損壞；傷害
The children knocked up the new table．孩子們將新桌子弄壞了。
The furniture was pretty much knocked up by the time it arrived．家俱運到時已損壞不少。
6．make uneasy；disturb使煩惱；使不安
She was knocked up by her son's serious illness．她兒子病重使她煩燥不安。
7．make roughly or in a hurry；prepare hurriedly匆忙製作；匆匆準備
They soon knocked up a shelter for the sheep against the imminent storm．為躲避即將來臨的暴風雨，他們趕緊給羊群蓋好了一個窩棚。
I'm no carpenter， but I can knock up a bookcase when necessary．我雖不是木匠，但我能應急湊合做個書架。
She knocked up a snack for all of us．她給我們大家匆匆準備了一頓小吃。
knock up against
meet by chance巧遇；偶然碰到
I knocked up against my former teacher in the town this morning．今天早上在城裏我遇見了我從前的那位老師。
I didn't expect to knock up against so many difficulties when I started on this subject．我沒有料到這項目一開始就遇上了這麽多的困難。
know about/of
1．have information concerning知道…的情況
I didn't know about that．我不知道那件事。
2．be aware of the existence of知道…的存在；聽說過
I know of an excellent little restaurant near here．我聽說附近有一家優雅的小餐館。
know apart
recognize the difference between 區分
The two brothers are so much alike that even their own mother hardly knows them apart．兄弟倆長得一模一樣，連他們的母親也很難區分得出來。
know backwards
learn very thoroughly完全了解
Every actor ought to know his lines backwards before he goes on stage．每一位演員在登台之前都必須背熟台詞。
know from
tell the difference between辨別
He does not know right from wrong．他不辨是非。
know of
have heard of/about聽說過（沒見過）
I don't know the Professor， but I know of him．我不認識這位教授，但是我聽說過他。
known as
called by被稱為
The actress likes to be known as May Diamond，although it is not her real name．這位女演員喜歡別人叫她“梅寶石”，雖然這不是她真正的名字。
He is known as a great statesman．眾所周知他是一位偉大的政治家。
known for
famous for因…而出名
Hangzhou is known for the West Lake．杭州以西湖而著名。
known to
known by為…所知
He is known to everyone as an honest man．人們都知道他是一個誠實的人。
本文到此結束，希望對大家有所幫助呢。
