knock
- v.敲;打，凿（洞）;(常为无意地)碰，撞;击;打掉;（不公平地）批评;（尤指因故障）发碰撞声，嘭嘭作响;（心）怦怦跳;把…撞击成(某种状态)
- n.敲击;敲门(或窗等)声;撞击;敲击声;捶击
复数： knocks 过去式： knocked 现在分词： knocking 过去分词： knocked 第三人称单数： knocks
knockverb
门窗 at door/window
敲；击
to hit a door, etc. firmly in order to attract attention
He knocked three times and waited.
他敲了三下门就等着。
Somebody was knocking on the window.
有人在敲窗户。
击 hit
（常为无意地）碰，撞
to hit sth, often by accident, with a short, hard blow
Be careful you don't knock your head on this low beam.
小心，别把头撞在这矮梁上。
Her hand knocked against the glass.
她的手碰了玻璃杯。
把…撞击成（某种状态）
to put sb/sth into a particular state by hitting them/it
The blow knocked me flat.
那一拳把我打倒在地。
He was knocked senseless by the blow.
他被一拳打得不省人事。
She knocked my drink flying.
她把我的饮料打翻了。
The two rooms had been knocked into one (= the wall between them had been knocked down) .
那两间屋子打通了，成为一间屋。
打掉；敲动；打破
to hit sth so that it moves or breaks
He'd knocked over a glass of water.
他打翻了一杯水。
I knocked the nail into the wall.
我把钉子钉进墙里。
They had to knock the door down to get in.
他们不得不破门而入。
The boys were knocking (= kicking) a ball around in the back yard.
男孩们在后院踢球玩儿。
The criticism had knocked (= damaged) her self-esteem.
这一批评伤了她的自尊心。
打，凿（洞）
to make a hole in sth by hitting it hard
They managed to knock a hole in the wall.
他们设法在墙上凿了个洞。
心；膝盖 of heart/knees
（心）怦怦跳；（膝盖）打哆嗦
if your heart knocks , it beats hard; if your knees knock , they shake, for example from fear
My heart was knocking wildly.
我的心怦怦直跳。
发动机；管子 of engine/pipes
（尤指因故障）发碰撞声，嘭嘭作响
to make a regular sound of metal hitting metal, especially because there is sth wrong
批评 criticize
（不公平地）批评；贬责；挑剔；非难
to criticize sb/sth, especially when it happens unfairly
The newspapers are always knocking the England team.
报纸总是攻击英格兰队。
‘Plastics?’ ‘ Don't knock it ─there's a great future in plastics.’
“塑料？”“别说它不好——塑料的前景大着呢。”
used to threaten sb that you will hit them
to impress sb very much
你看上去漂亮极了——今晚肯定把他们迷倒。
You look fabulous─you'll knock 'em dead tonight.
to be very much better than sb/sth
used to tell sb to stop making a noise, annoying you, etc.
to make sb lose their position as sb/sth successful or admired
to stop sth from happening; to stop doing sth
经济衰退使扩展公司的任何想法都化为泡影。
The recession knocked on the head any idea of expanding the company.
to surprise or shock sb so much that they are unable to react immediately
to be very much better than sb/sth
to make sb lose their confidence and enthusiasm
used to express surprise
to hit sb very hard several times and hurt them very much
to force people to stop arguing and behave in a sensible way
to hit sb/sth very hard
他是个不讲体育道德的球员，喜欢猛力冲撞对方。
He was a dirty player and loved to kick hell out of the opposition.
to try and persuade sb to stop behaving in a stupid way, sometimes using rough or violent methods
to train sb so that they do a particular job, task, etc. well
to affect sb very deeply
to surprise or impress sb very much
常与某人交往（或做伴）
to spend a lot of time with sb/together
接连敲击某人（物）；粗暴对待
to hit sb/sth repeatedly; to treat sb/sth roughly
用掉某人一大笔钱
to cost sb a lot of money
That house must have knocked them back a bit.
那房子一定花了他们不少钱。
很快喝掉（酒等）
to drink sth quickly, especially an alcoholic drink
说服…降价；使降价；杀价
to persuade sb to reduce the price of sth
I managed to knock him down to $400.
我设法让他把价格降到了400元。
打倒（或击倒、撞倒）某人
to hit sb and make them fall to the ground
She was knocked down by a bus.
她被一辆公共汽车撞倒在地。
He knocked his opponent down three times in the first round.
他第一局就将对手击倒三次。
推倒（或拆掉、拆毁）建筑物
to destroy a building by breaking its walls
These old houses are going to be knocked down.
这些旧房子要拆了。
减价；降价
to reduce the price of sth
He knocked down the price from $80 to $50.
他把价格从80元降到了50元。
停止某事；中断某事；（尤指）下班，收工
to stop doing sth, especially work
Do you want to knock off early today?
你今天想早点歇工吗？
What time do you knock off work?
你什么时候下班？
Let's knock off for lunch.
咱们收工吃午饭吧。
杀死（或干掉、除掉、结果）某人
to murder sb
降价；减价；使贬值
to reduce the price or value of sth
They knocked off $60 because of a scratch.
因为有擦痕他们将价格降了60元。
The news knocked 13% off the company's shares.
这消息使公司股价下跌13%。
使筋疲力尽；使疲惫不堪
to make sb/yourself very tired
把…淘汰出（比赛）
to defeat sb so that they cannot continue competing
England had been knocked out of the World Cup.
英格兰队已被淘汰出世界杯赛。
完成；快速而轻易地做成
to produce sth, especially quickly and easily
He knocks out five books a year.
他一年轻松写出五本书。
赛前练习
to practise for a short time before the start of a game
迅速准备好；快速并轻易做成
to prepare or make sth quickly and without much effort
She knocked up a meal in ten minutes.
她十分钟就做好了一顿饭。
noun
门窗 at door/window
敲击声；敲门（或窗等）声
the sound of sb hitting a door, window, etc. with their hand or with sth hard to attract attention
There was a knock on/at the door.
有敲门声。
击 hit
捶击；敲击；撞击
a sharp blow from sth hard
He got a nasty knock on the head.
他头部遭到重重一击。
to have an experience that makes sb/sth less confident or successful; to be damaged
All these words mean to come against sth with a lot of force.以上各词均含用力碰撞、撞击之义。
to come against sth with force, especially causing damage or injury指碰撞、撞击，尤指造成损伤：
The boy was hit by a speeding car.
男孩被超速行驶的汽车撞倒了。
to hit sth so that it moves or breaks; to put sb/sth into a particular state or position by hitting them/it指打掉、敲动、打破、撞成…：
Someone had knocked a hole in the wall.
有人在墙上打了个洞。
to hit sth in a way that makes a loud noise指大声地猛敲、砸：
The baby was banging the table with his spoon.
小孩用调羹敲打着桌子。
( formal ) to hit sb/sth hard指猛烈地撞、碰、撞击、碰撞：
The ship struck a rock.
船触礁了。
to hit sb/sth accidentally指无意地碰、撞：
In the darkness I bumped into a chair.
我在黑暗中撞上了一把椅子。
( informal ) to hit against sth very hard指猛击、猛撞：
I braked too late, bashing into the car in front.
我刹车太晚，撞上了前面的车。
knock
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1
VERB 敲；击
If you knock on something such as a door or window, you hit it, usually several times, to attract someone's attention.She went directly to Simon's apartment and knocked on the door...
她直奔西蒙的房间，敲了敲门。
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They were wakened by a loud knocking at the door.
他们被一阵嘈杂的敲门声吵醒。
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3
VERB 碰，撞；（尤指）碰倒，撞倒，敲动
If you knock something, you touch or hit it roughly, especially so that it falls or moves.She accidentally knocked the tea tin off the shelf...
她不小心把架子上的茶叶罐碰了下来。
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4
VERB 打通（房间或建筑）
If someone knocks two rooms or buildings into one, or knocks them together, they make them form one room or building by removing a wall.They decided to knock the two rooms into one...
他们决定把两间屋子打通连成一间。
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5
VERB 把…撞击到（某个位置）；把…打成（某种状态）
To knock someone into a particular position or condition means to hit them very hard so that they fall over or become unconscious.The third wave was so strong it knocked me backwards...
第3波浪太大了，把我打了回去。
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6
VERB 使失去（某种品质或特征）
To knock a particular quality or characteristic out of someone means to make them lose it.The stories of his links with the actress had knocked the fun out of him...
有关他与那位女演员有关系的传闻使他很不开心。
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7
VERB 发碰撞声；砰砰作响
If something knocks, it makes a repeated sharp banging noise.His old truck, knocking and smoking, pulled down the road and out of sight.
他那辆旧卡车一边冒着烟一边哐里哐啷地沿路向前驶去，直到驶出了视线。
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8
VERB 批评；贬责；挑剔；非难
If you knock something or someone, you criticize them and say unpleasant things about them.I'm not knocking them: if they want to do it, it's up to them...
我不是批评他们：想不想做那件事取决于他们。
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This season he's more determined than ever to prove the knockers wrong.
这个赛季他比以往任何时候都更坚决地想要证明那些批评者是错的。
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10
N-COUNT 打击
If someone receives a knock, they have an unpleasant experience which prevents them from achieving something or which causes them to change their attitudes or plans.What they said was a real knock to my self-confidence...
他们的话是对我自信心的一次重大打击。
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11
PHRASE （尤指以相貌）给…留下深刻印象，使…倾倒
To knock them dead means to impress people a great deal, especially with your appearance.Glamorous make-up is best reserved for days when you want to go all out to knock 'em dead.
魅惑彩妆最好留到你竭力想把所有人都迷倒的时候。
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12
PHRASE 停止干扰;打住
If you tell someone to knock it off, you are telling them to stop doing something that is annoying you.Will you just knock it off!
别闹了！
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13
to knock peoples' heads together→ see:head
noun
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1
- the act of hitting vigorously
- he gave the table a whack
- Synonym: belt rap whack whang
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2
- negative criticism
- Synonym: roast
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3
- a bad experience
- the school of hard knocks
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4
- the sound of knocking (as on a door or in an engine or bearing)
- the knocking grew louder
- Synonym: knocking
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5
- a vigorous blow
- the sudden knock floored him
- he took a bash right in his face
- he got a bang on the head
- Synonym: bash bang smash belt
verb
-
1
- find fault with;express criticism of;point out real or perceived flaws
- The paper criticized the new movie
- Don't knock the food--it's free
- Synonym: criticize criticise pick apart
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2
- deliver a sharp blow or push :"He knocked the glass clear across the room"
- Synonym: strike hard
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3
- knock against with force or violence
- My car bumped into the tree
- Synonym: bump
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4
- rap with the knuckles
- knock on the door
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5
- sound like a car engine that is firing too early
- the car pinged when I put in low-octane gasoline
- The car pinked when the ignition was too far retarded
- Synonym: pink ping
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6
- make light, repeated taps on a surface
- he was tapping his fingers on the table impatiently
- Synonym: tap rap pink
数据来源：WordNet
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Late that evening , there was a knock at the door .
那天深夜，有人敲过门。
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He rushed into the room without troubling to knock .
他连门也懒得敲就闯进屋去。
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What time do you knock off work ?
你什么时候下班？
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I knocked but there was no one around .
我敲了门，但是没有人应门。
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The two rooms had been knocked into one .
那两间屋子打通了，成为一间屋。
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He knocked his opponent down three times in the first round .
他第一局就将对手击倒三次。
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They had to knock the door down to get in .
他们不得不破门而入。
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The news knocked 13 % off the company 's shares .
这消息使公司股价下跌13%。
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I 've got all the information together but it still needs knocking into shape .
我把材料全都收集齐了，但还需要整理。
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He was knocked out cold in the second round .
他在第二轮中被击倒失去了知觉。
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He 'd knocked over a glass of water .
他打翻了一杯水。
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I knocked on the door but there was no response .
我敲了门，可是没有回应。
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Be careful you don 't knock your head on this low beam .
小心，别把头撞在这矮梁上。
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The recession knocked on the head any idea of expanding the company .
经济衰退使扩展公司的任何想法都化为泡影。
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He fell and just missed knocking the whole display over .
他摔了一跤，差一点把全部展品碰翻。
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England had been knocked out of the World Cup .
英格兰队已被淘汰出世界杯赛。
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Just then , someone knocked at the front door .
就在那时，大门口有人敲门。
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The boys were knocking a ball around in the back yard .
男孩们在后院踢球玩儿。
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They managed to knock a hole in the wall .
他们设法在墙上凿了个洞。
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He knocked down the price from $ 80 to $ 50 .
他把价格从80元降到了50元。
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The impact of the blow knocked Jack off balance .
这一记猛击把杰克打了个趔趄。
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Someone had knocked a hole in the wall .
有人在墙上打了个洞。
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She went straight up to the door and knocked loudly .
她径直走到门前大声敲门。
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He knocks out five books a year .
他一年轻松写出五本书。
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I knocked loudly in the vain hope that someone might answer .
我敲门敲得很响，希望有人应声，却是徒然。
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The newspapers are always knocking the England team .
报纸总是攻击英格兰队。
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I was so involved in my book I didn 't hear you knock .
我全神贯注在看书，没听到你敲门。
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He burst into the room without knocking .
他没敲门就闯进了屋子。
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He got a nasty knock on the head .
他头部遭到重重一击。
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She knocked up a meal in ten minutes .
她十分钟就做好了一顿饭。
较正式用词，指迅速或突然地用力一击或敲击，可以是有意的，也可以是无意的。
Who struck the first blow?
谁先动手的?
He struck the boy with his stick.
他用手杖打了那个男孩。
The hammers strike the piano strings and make them vibrate.
音锤敲击钢琴琴弦并使之震动。
The huge clock at the Customs House strikes the hours.
海关大钟报时。
普通用词，指用手或器械连续击打，也指在游戏、竞赛或战争中战胜对手。
The poor child was beaten black and blue.
那可怜的孩子被打得青一块紫一块的。
They were frequently cursed and beaten by the employer.
他们常被雇主打骂。
Jack beat Jobe to win the game.
杰克在游戏中战胜了乔布。
The home team beat the visiting team by a large score.
主队以大比分打败了客队。
普通用词，指有目标地猛击，强调用力击中；引申指在精神、经济等方面予以打击。
The missile hit the carrier.
导弹击中了航空母舰。
The brick hit him in the head.
砖块击中了他的头部。
The economic recession hit the family hard.
经济衰退使这家人遭到重创。
指用拳头或器械猛敲、猛打，强调非常用力。
The attacker knocked her to the ground and kicked her hard.
袭击者把她打倒在地并狠狠地踢她。
Somebody is knocking on the door.
有人在敲门。
I wish you wouldn't knock at the table again.
我希望你不要再敲桌子了。
指用手指等轻叩、轻拍或轻敲，意在引人注意，或表示爱抚等情感。
He tapped me on the back.
他轻轻地拍了拍我的后背。
She tapped the table with her fingers.
她用手指敲打桌子。
He tapped his forehead knowingly.
他会心地拍了拍前额。
指用手掌、拳头或硬物用力敲打，以引起他人的注意或重视。
Please knock before you enter.
进来前请先敲门。
He wondered whether it would be proper to knock at her door.
他不知道敲她的门是否恰当。
I heard him knock his pipe out on the mantelpiece.
我听见他在壁炉架上磕打烟斗。
指用指关节、笔等快速轻敲或急拍，意在引人注意或表示某种情感。
The chairman rapped on the table for order.
主席敲桌子要求听众安静。
Angrily, she rapped on his window.
她生气地敲他的窗户。
He would rap his fingers on the desk when he had difficulty working out a math problem.
他做数学题遇到困难时总是要敲书桌。
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