knocks
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n.
短促的敲打（声）( knock的名词复数 )；爆震声；敲击声；敲门（或窗等）声
v.
敲，击，打( knock的第三人称单数 )；（心）怦怦跳；把…撞击成（某种状态）；批评
双语释义
n.(名词)[C]短促的敲打(声) (sound of) a sharp blow
[C]爆震声 (in an engine) sound of knocking
[C](板球赛的)一局 (in cricket) innings
[C]一件倒霉事或麻烦事 a piece of bad luck or trouble
v.(动词)vt. & vi. 敲,击,打 hit or strike
vt. 批评,数落,非难 say critical or insulting things about sb/sth
英英释义
knock[ nɔk ]
n.
the sound of knocking (as on a door or in an engine or bearing)
"the knocking grew louder"
同义词：knocking
negative criticism
同义词：roast
a vigorous blow
"the sudden knock floored him"
同义词：bashbangsmashbelt
a bad experience
"the school of hard knocks"
the act of hitting vigorously
同义词：beltrapwhackwhang
v.
deliver a sharp blow or push :
"He knocked the glass clear across the room"
同义词：strike hard
rap with the knuckles
"knock on the door"
knock against with force or violence
同义词：bump
make light, repeated taps on a surface
同义词：taprappink
sound like a car engine that is firing too early
同义词：pinkping
find fault with; express criticism of; point out real or perceived flaws
"Don't knock the food--it's free"
同义词：criticizecriticisepick apart
词汇搭配
用作名词 (n.)
动词+～
get the knock被解雇,遭到失败
hear a knock听到敲门声
receive a knock受到挫折
stand the knock忍受指责
take a knock受到严重损失
形容词+～
gentle knock轻轻的敲门声
loud knock重重的敲门声
good knock打一局好球
first knock第一局球
bad knock损失不少钱财
damaging knock破坏性的挫折
hard knock沉重的打击
名词+～
engine knock发动机的爆震声
用作动词 (v.)
～+名词
knock a ball拍球
knock colds消除感冒
knock head撞头
knock sb's hometown抨击某人的家乡
knock sb's play抨击某人的戏剧
knock such notions给人以深刻的观念
knock the ash敲烟灰
knock the bottom of the box敲箱子底
knock the dust敲打灰尘
knock the England team挖苦英格兰队
knock the foreign policy抨击外交政策
knock the furniture碰倒家具
knock the glass打破玻璃
knock the nail钉钉子
knock the price降价
knock the wall拆墙
knock the worry摆脱忧愁
～+副词
knock badly剧烈撞击
knock loudly发出大声地碰撞
knock about〔around〕流浪
knock down撞倒,拆除,挣(钱)
knock down a machine把机器拆卸开来
knock down a plane击落飞机
knock down an A in history历史考得优等分数
knock down good money挣很多钱
knock down some cash偷一些现金
knock off停止工作,完成,结束,快速写
knock off a few lines匆匆写几句
knock off work歇工
knock out击倒,使昏迷或入睡,彻底击败
knock out the enemy guards干掉敌人哨兵
knock oneself out to get through the difficulty竭尽全力渡过困难
knock oneself out preparing for the experiment努力为实验做好准备
knock oneself out with excessive work过度工作而筋疲力尽
knock over打翻,轻易击败
knock over a lamp打翻一盏灯
knock up击打,草率或匆忙地作出
knock up a meal匆匆做好一餐饭
～+介词
knock against偶然碰到
knock at a door敲门
knock into将…击打进或撞进,偶然碰到
knock into the old teacher偶然碰到那位老教师
knock sb off sb's feet把某人打倒在地
knock on the door敲门
knock sb on the head打某人的头
knock sth on the head破坏某事
knock sth to pieces把某物打碎
knock with a bat用球拍打
词组短语
knock on撞击撞出；敲击（门、窗）
knock at敲（门、窗等）
knock off击倒；停工；中断
knock down击倒；拆卸
knock at the door敲门；把……撞倒；撞墙
knock out敲空；击倒；打破；使筋疲力竭
knock it off停止做；住口，别再讲下去了
knock on the door敲门
knock over打翻；撞倒
knock in（把钉子）钉入
knock on wood敲木头，企求好运；吉人天相
knock up敲门唤醒；[英口]筋疲力尽；往上敲
knock back（摇把）反击，（活塞）逆行，（曲轴）反转；反座；回击，击退；使...大吃一惊
knock against撞击，与…冲突；偶然遇见
knock sensor爆振传感器；进气流量传感器
knock into撞上；与…相撞
knock off work敲落工作；歇工
双语例句
用作动词(v.)
Someone is knocking at the door.
有人在敲门。
One may knock to signal one's presence to others.
可以用敲击发出的声音向别人表明自己的存在。
He knocked a big hole in the wall.
他把墙撞出了一个大洞。
I am so hurried as to knock into my teacher.
我如此匆忙以至于撞到老师身上。
The man is knock down by the bicycle.
这个男人被自行车撞倒了。
She knocked the bottom out of our argument.
她把我们的论点驳得体无完肤。
用作名词(n.)
There was a knock at the window.
有人敲了一下窗户。
I heard footsteps, then a knock on the door.
我听到脚步声，随后是敲门的声音。
There was no answer to my knock, so I went away.
我敲门没人应，所以就走开了。
She took a bad knock when her husband died.
丈夫的死,使她受到沉重的打击。
When I fall, I get a terrible knock on the head.
我摔倒时头撞得很厉害。
权威例句
Opportunism knocks?Estrogen knocks out fish in whole-lake experiment
When Accountability Knocks, Will Anyone Answer?.
Oral health promotion--opportunity knocks!
Garments affording protection against knocks or blows
Passive acoustic sensing for tracking knocks atop large interactive displays
Passive acoustic sensing for tracking knocks atop large interactive displays
Small interfering RNA knocks down the molecular target of alendronate, farnesyl pyrophosphate synthase, in osteoclast and osteoblast...
Reduction in damage to cotton plants by a recombinant baculovirus that knocks moribund larvae of Heliothis virescens off the plant.
Method, and consequent product, for the creation of decorative glass plates that are resistent to knocks and thermal shocks
1. Who knocks at this late hour?
这么晚了，是谁来敲门？
youdao
2. With her five gold rings at the door she knocks: "Are you within, good Mistress Fox?"
她戴着五个金戒指敲门：“你在吗，狐狸太太？”
youdao
3. He knocks out five books a year.
他一年轻松写出五本书。
《牛津词典》
4. He knocks off three novels a year.
他一年赶出三部小说。
《牛津词典》
5. Ignoring feelings of tiredness knocks our body clocks out of kilter.
忽视疲劳感会打乱我们的生物钟。
《柯林斯英汉双解大词典》
6. The bags have tough exterior materials to protect against knocks, rain, and dust.
这些袋子结实的外层材料有防撞、防雨、防尘的作用。
《柯林斯英汉双解大词典》
7. The medicine knocks out the staph.
这药能消灭葡萄球菌。
youdao
8. When he passes the desks, he often knocks my books off the desks.
当他路过这些书桌时，他总是把我的书从桌上撞掉。
youdao
9. Children are ever ready, when novelty knocks, to desert their dearest ones.
当新奇的事情发生时，孩子宁愿抛弃他们最亲爱的人。
youdao
10. For a new life, the eagle knocks its beak against a rock until it pulls its beak out.
为了获得新生活，鹰会用喙撞击岩石，直到它把喙拔出来。
youdao
11. If someone on a hike knocks a couple of rocks over, they could be unwittingly destroying a microclimate that an animal or organism relies on.
如果有人在徒步旅行中撞倒了几块岩石，他们可能在不知不觉中破坏了动物或有机体赖以生存的小气候。
youdao
12. Opportunity knocks but once.
良机难再。
《新英汉大辞典》
13. Did you hear the knocks at the door?
你听到敲门声了吗？
youdao
14. He knocks on the door. No one answers.
他敲了敲门，无人应门。
youdao
15. She knocks the dust out of her coat.
她打掉外套上的尘土。
youdao
16. What knocks me most is his ignorance.
最让我吃惊的是他的无知。
youdao
17. He knocks on a door.
他敲响一扇门。
youdao
18. The portable device easily knocks down.
这种轻便装置容易拆卸。
youdao
19. Luck is when opportunity knocks and you answer.
运气就是你对降临的良机的回应。
youdao
20. Maria: (knocks on the room door) May I come in, madam?
玛利亚：(敲房间门)女士，我可以进来吗？
youdao
21. Becky knocks on the Warden's office door and walks in.
Becky敲了敲狱长办公室的门，然后走了进去。
youdao
22. With Victor's guard down, Jack knocks him to the floor.
由于维克多的戒心松懈，杰克将他击倒在地。
youdao
23. He knocks at the door as if he were master here already!
他敲门敲得好像他已经是这儿的主人了！
youdao
24. When I was in the bathroom there would be knocks on the door.
我上洗手间时，会听到敲门声，但当我大声的问是谁时，却没人回答。
youdao
25. This time provide the required knocks, as shown in Listing 7.
这一次提供所需的敲门序列，见清单7。
youdao
26. In the basement, LJ knocks out a window and climbs outside.
在地下室，LJ拆下了一个窗户，爬了出来。
youdao
27. When light hits a piece of silicon, it knocks out electrons.
当光照射到一片硅时，硅表面逸出电子。
youdao
28. She knocks his gun aside and he flips open a pocketknife on Kim.
泰瑞将他的枪打落到一边，伊菜晃开一把小折刀走向金姆。
youdao
29. This book is divided into…” But then… His neighbor knocks on his door.
这本书将分为…”。但这时，他的邻居敲门了。
youdao
30. This book is divided into…” But then… His neighbor knocks on his door.
这本书将分为…”。但这时，他的邻居敲门了。
youdao
knocks
