knock查询结果如下：
现在分词：knocking
详解 词库
双语句典
英文释义
韦氏词典
英文百科
wiki词典
英文句库
词性:verb
例句1. he knocked on the door marked
例句2. she knocked her knee painfully on the table’
例句3. he knocked into an elderly man with a walking stick’
动词 变体/同根词
Knock [throw] a person for a loop
((美俚))使某人茫然[大吃一惊]
属类：综合句库--
Knock sb. [sth.] into a cocked hat
(拳击时)把对方打倒使不能再起
属类：综合句库--
If you don’t straighten up, I’m going to knock you into the middle of next week!
“你要是不改，我把你一把推到下周三!”(意为:不让过周末。)
属类：综合句库--
`There might be some sense in your knocking,’ the footman went on without attending to her, `if we had the door between us. For instance, if you were INSIDE, you might knock , and I could let you out, you know.’
“如果这扇门在我们之间，你敲门，可能还有意义，”那仆人并不注意爱丽丝，继续说着，“假如，你在里面敲门，我就能让你出来。”
属类：综合句库--
Knock a person off his pedestal
把<某人>从受尊敬的地位拉下来
属类：综合句库--
Knock the hoe handle up
把锄头柄往上敲
属类：综合句库--
Drive[knock ]in a nail
把钉子敲进去
属类：综合句库--
Knock that nail in, it’s sticking out dangerously.
把那钉子敲进去，它伸出来很危险。
属类：综合句库--
Knock one’s head against the door
把头撞到门上
属类：综合句库--
Knock test reference fuels-Reference fuel grade toluene
爆震试验参比燃料参比燃料级甲苯
属类：行业标准名称-国家标准名-GB/T11117.3-1989
Knock test reference fuels-Reference fuel-iso-Octane
爆震试验参比燃料参比燃料异辛烷
属类：行业标准名称-国家标准名-GB/T11117.1-1989
Knock test reference fuels-Reference fuel-n-Heptane
爆震试验参比燃料参比燃料正庚烷
属类：行业标准名称-国家标准名-GB/T11117.2-1989
Knock up a shuttlecock
比赛开始前试打羽毛球
属类：综合句库--
Knock it off! I’m trying to sleep.
别闹了!我要睡觉了
属类：综合句库--
Don’t knock it! You won’t be able to find another job that pays so well.
别挑剔了!你未必可以找到另外一个待遇这么好的工作!
属类：综合句库--
Don’t knock the food
别挑剔食物了
属类：综合句库--
That afternoon, much to his surprise, there was a knock on his door and in she came.At the sight of her all the ill will in Hung-chien’s heart dissolved like the nighttime mist under the morning sun
不料下午打门进来的就是她，鸿渐见了她面，心里的怨气像宿雾见了朝阳，消散净尽。
属类：综合句库--
Don’t knock it unless you can do better.
不要挑挑剔剔，除非你自己能做得更好。
属类：综合句库--
The hard knock made her cry.
沉重的一击使她哭了。
属类：综合句库--
The storeroom is an untidy mess but I’ll soon knock it into shape.
储藏室里乱七八糟，但我会马上把它整理好的。
属类：综合句库--
Knock out several novelettes
匆匆写出几部中篇小说
属类：综合句库--
to knock up a meal
匆匆做好一顿饭
属类：综合句库--
Knock a person off his perch
挫败,毁掉<某人>
属类：综合句库--
Knock sb. [sth.] into a cocked hat
打得鼻青眼肿
属类：综合句库--
Knock the spots off (out of)sb
大大胜过某人
属类：综合句库--
Knock off a plateful of vegetables
大口吃掉一盆蔬菜
属类：综合句库--
Television also provides a wide range of opinion by setting up four or five experts and letting them knock each other down
电视还通过邀请四、五位专家在电视上互相指责来提供各种不同的见解。
属类：综合句库--
The storekeeper decided to knock down his remaining winter stock
店主决定减少剩下的冬令存货。
属类：综合句库--
Multi-cavity molds are sometimes provided with knock-out pins for easy ejection of the casting from the molds
多腔模具有时装有顶钉，以便铸件易于脱模。
属类：综合句库--
The light photons, or bundle of light energy, knock electrons in the chromium atoms
光子，即光能束，冲击铬原子中的电子。
属类：综合句库--
noun
1.A blow or collision.
‘the casing is tough enough to withstand _knocks_ ’
‘Jonathan Smith is expected to undergo a fitness test after sustaining a _knock_ to his knee on Sunday.’
2.A continual thumping or rattling sound made by an engine.
‘Lucas oil Octane Booster eliminates spark _knocks_ , pinging, and dieseling while promoting clean fuel burn for fewer emissions and better mileage.’
‘When added to gasoline in minute amounts, tetraethyl lead prevents engine _knock_ and increases the gasoline’s octane rating.’
3.A critical comment.
‘This is no _knock_ against Lucas, who does a fine job in his short scenes, but it is a structural problem that the film does not entirely solve.’
‘The only _knock_ is he lacks experience against elite-level competition.’
4.A discouraging experience; a setback.
‘the region’s industries have taken a severe _knock_ ’
‘In a nutshell, I hadn’t suffered the same hard _knocks_ and had little chance of knowing what was really important in life.’
5.A sudden short sound caused by a blow, especially on a door to attract attention or gain entry.
‘Justin heard loud _knocks_ coming from the front door.’
‘He smiled and leaned down to kiss her, frowning as a sudden _knock_ sounded on the door.’
6.An innings, especially of an individual batsman.
‘a splendid _knock_ of 117 against Somerset’
‘He struck 12 fours in his 259-ball _knock_ .’
verb
1.(of a motor or other engine) make a regular thumping or rattling noise, e.g. through pinking.
‘The only time you should consider using a higher-octane gas is if your engine starts to _knock_ or ping.’
‘While driving your car, you can also listen to the engine: if you hear _knocking_ , it’s a good sign that you have trouble.’
2.Approach (a specified age)
‘he’s younger than his brother— _knocking_ seventy’
‘Overall, I’m not bad for a man _knocking_ 60.’
3.Collide with (someone or something), giving them a hard blow.
‘he deliberately ran against her, _knocking_ her shoulder’
‘he _knocked_ into an elderly man with a walking stick’
4.Demolish the barriers between (rooms or buildings)
‘two of the downstairs rooms had been _knocked_ into one’
‘The new facility, on Rectory Road, replaces the previous cramped and out-of-date building made up of four residential houses _knocked_ together.’
5.Force to move or fall with a deliberate or accidental blow or collision.
‘he’d _knocked_ over a glass of water’
‘The court heard Mr Smedley was _knocked_ to the floor before his attackers kicked him twice in the stomach.’
6.Injure or damage by striking.
‘she _knocked_ her knee painfully on the table’
‘you have had a setback that has _knocked_ your self-esteem’
7.Make (a hole or a dent) in something by striking it forcefully.
‘you’ll need to _knock_ a hole in the wall’
‘Ms Waterman says asbestos entered their flat through a hole which builders _knocked_ in their wall.’
8.Strike a surface noisily to attract attention, especially when waiting to be let in through a door.
‘he strolled over and _knocked_ on a door marked Enquiries’
‘Amy and I waited until I got sick and tired of waiting, and _knocked_ lightly on the window.’
9.Strike or thump together or against something.
‘her heart _knocked_ painfully behind her ribs’
‘When these cattle move side by side in the herd, their hollow horns _knock_ together, producing a characteristic resonant sound.’
10.Talk disparagingly about; criticize.
‘So stop _knocking_ the town you live in and be proud of what we have and what has been achieved here.’
‘It’s hard to _knock_ this decision in political terms, and it has a defensible legal rationale.’
独上高台望四海 手揽云月傍天飞， 落叶重重已十月 归鸟凄凄啼心扉。
