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knock

US [nɑk]
UK [nɒk]
  • v.敲;撞;击;打
  • n.撞击;敲击;敲击声;敲门(或窗等)声
  • Web敲打;爆震
Simple Present:knocks  Present Participle:knocking  Past Tense:knocked  
knock
Show examples
v.
门窗at door/window
1.
[i]
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。
hit
2.
[t][i]
(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。
3.
[t]
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) .
那两个房间打通了,成了一个房间。
4.
[t]
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。
5.
[t]
~ sth + adv./prep.
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
6.
[i]
(心)怦怦跳;(膝盖)打哆嗦if your heartknocks , it beats hard; if your kneesknock , 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
7.
[i]
(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
8.
[t]
(informal)
~ sb/sth
(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。
‘E-books?’ ‘ Don't knock it ─there's a great future in e-books.’
“电子书?”“别贬损它,电子书的前景大着呢。”
IDM
Ill knock your block/head off!
(informal)
(威胁要打人)我非揍你不可,我要揍扁你used to threaten sb that you will hit them
You look fabulous─you'll knock 'em dead tonight.
你看上去漂亮极了,今晚肯定把他们迷倒。
knock sb dead
(informal)
使某人倾倒to impress sb very much
You look fabulous─you'll knock 'em dead tonight.
你看上去漂亮极了,今晚肯定把他们迷倒。
knock sb/sth into a cocked hat
远远胜过某人(或事物);大大超过;使相形见绌to be very much better than sb/sth
knock it off!
(informal)
别吵了;别烦人了used to tell sb to stop making a noise, annoying you, etc.
knock sb off their pedestal/perch
使某人丧失名位to make sb lose their position as sb/sth successful or admired
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。
knock sth on the head
(informal)
阻止某事发生;停止做某事to stop sth from happening; to stop doing sth
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。
knock on wood
(表示希望继续走好运)used when you have just mentioned some way in which you have been lucky in the past, to avoid bringing bad luck
knock sb sideways
(informal)
使某人惊讶得不知所措(或目瞪口呆)to surprise or shock sb so much that they are unable to react immediately
knock spots off sb/sth
(informal)
远远胜过;大大超过;使相形见绌to be very much better than sb/sth
knock the stuffing out of sb
(informal)
使某人丧失信心(或委靡不振)to make sb lose their confidence and enthusiasm
you could have knocked me down with a feather
(informal)
(表示惊奇)used to express surprise
n.
门窗at door/window
1.
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。
hit
2.
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。
IDM
take a (hard, nasty, etc.) knock
遭受(重大等)挫折;受到(沉重等)打击;受到(严重等)破坏to have an experience that makes sb/sth less confident or successful; to be damaged

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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