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knock
[nɒk] [nɑːk]

  • vi. 敲;打;敲击
  • vt. 敲;打;敲击;批评
  • n. 敲;敲打;爆震声

[ 复数 knocks 过去式 knocked 过去分词 knocked 现在分词 knocking 第三人称单数 knocks ]

网络释义专业释义英英释义

  敲击

敲击(Knock) : i2 q* {$ E/ Q* n

基于1319个网页-相关网页

  敲门

玩21点游戏真不是那么简单的,其实就那么几张牌,但是要是想玩好也是有很多的敲门(Knock)的,最难的就是感觉21点很简单,为什么玩起来(Up)就是不赢钱!

基于607个网页-相关网页

  敲缸

名词定义中文名称:敲缸英文名称:knock定义:气缸内压力升高率太大时出现金属敲击声的现象。应用学科:船舶工程(一级学科);船舶机械(二级学科)分类敲缸... wapbaike.baidu.com

基于250个网页-相关网页

短语

knock down 撞倒 ; 击倒 ; 拆除 ; 击落

knock at 敲 ; 敲门 ; 窗等 ; 门

knock over 撞翻 ; 撞倒 ; 打翻 ; 把某人撞倒

Knock back 反座 ; 反击 ; 逆行

knock intensity [力] 爆震强度

Knock Knock 敲敲门 ; 当辣妹来敲门 ; 敲门声 ; 不越矩的回荡

Knock compound 搞爆震剂 ; 爆震化合物

knock wave [力] 冲击波

 更多收起网络短语
  • 爆震 - 引用次数:45

    The results show that the knock frequency band of compound combustion is between 5 and 10 kHz.

    负荷和预混合燃料性质对复合燃烧爆震频率带影响不大。

    参考来源 - 压燃式发动机燃用二甲醚的复合燃烧研究
  • 爆震 - 引用次数:10

    On this base, we designed the ECU hardware and software of the knock feedback controlling ignition system.

    分析了爆震以及爆震对发动机的影响,并在此基础上实现了爆震反馈汽油机点火的电控单元的硬件与软件的设计。

    参考来源 - 爆震反馈控制汽油机点火ECU技术研究
    敲击
  • 敲击术
    爆震
    敲击声

·2,447,543篇论文数据,部分数据来源于NoteExpress

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: bash bang smash belt

    • a bad experience

      "the school of hard knocks"

    • the act of hitting vigorously

      同义词: belt rap whack whang

  • 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: tap rap pink

    • sound like a car engine that is firing too early

      同义词: pink ping

    • find fault with; express criticism of; point out real or perceived flaws

      "Don't knock the food--it's free"

      同义词: criticize criticise pick apart

以上来源于: WordNet

 柯林斯英汉双解大词典 

knock /nɒk/ CET4 TEM4 ( knocking, knocked, knocks )

  • 1. 

    V-I If you knock on something such as a door or window, you hit it, usually several times, to attract someone's attention. 敲

    例:

    She went directly to Simon's apartment and knocked on the door.

    她径直走到西蒙的住处,敲了敲门。

  • 2. 

    N-COUNT Knock is also a noun. 敲的声音

    例:

    They heard a knock at the front door.

    他们听到前门有一敲门声。

  • 3. 

    knocking N-SING 敲的声音 [also no det]

    例:

    They were wakened by a loud knocking at the door.

    他们被一阵很响的敲门声吵醒。

  • 4. 

    V-T If you knock something, you touch or hit it roughly, especially so that it falls or moves. 碰撞

    例:

    She accidentally knocked the glass off the shelf.

    她无意中把架子上的玻璃杯碰了下来。

  • 5. 

    N-COUNT Knock is also a noun. 碰撞

    例:

    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。

  • 6. 

    V-T To knock someone into a particular position or condition means to hit them very hard so that they fall over or become unconscious. 重击

    例:

    The third wave was so strong it knocked me backwards.

    第3个浪头如此猛烈,把我击得往后退。

  • 7. 

    V-T To knock a particular quality or characteristic out of someone means to make them lose it. 使失去 [no cont]

    例:

    The school system is designed to knock passion out of people.

    学校体制是设计来抹杀人的激情的。

  • 8. 

    V-T If you knock something or someone, you criticize them and say unpleasant things about them. 批评; 指责 [非正式]

    例:

    I'm not knocking them: if they want to do it, it's up to them.

    我不是在说他们的坏话:如果他们打算做这件事,由他们决定。

  • 9. 

    N-COUNT 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. 打击

  • 10. 

    to knock someone or something into shape →see shape

词组短语同近义词同根词词语辨析

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

  更多收起词组短语

词根: knock

n.

knocker 门环;敲击者;吹毛求疵的人

  knock, beat, strike, hit

knock 敲门;

beat 打鼓;连续打;

strike 敲锣,钟敲几点,猛的一击;

hit 击中,打一下

以上来源于网络

  pat, knock, rap, tap

这组词都有“敲、击”的意思,其区别是:

pat 指用手轻拍以示同情、赞同或爱抚。

knock 指用拳头或其它器械猛敲或猛打;也指用手轻敲某物。

rap 指用手指或木棒等快速地轻敲或急拍。

tap 多指慢慢地连续地轻击或轻拍。

以上来源于网络

双语例句原声例句权威例句

  • But I was expecting it to knock!

    一直在期待敲门!

    www.kekenet.com

  • Knock first, then wait to be invited in.

    应该敲门然后等待进入邀请

    article.yeeyan.org

  • I would rather help her knock you all out than watch her Ginsu one of you.

    宁愿打败你们也不要看着她把你们中的任何一个一二。

    www.ellesime.net

更多双语例句
  • The first breath that blows will knock me to the ground.

    VOA: special.2010.02.27

  • It's the problem that sometimes people knock over an oil lamp in their home and they burn their own house down.

    有时候会出现这种问题,一个人把自己家里的油灯弄翻了,然后把自己的房子点着了

    耶鲁公开课 - 金融市场课程节选

  • So, the bowlers do their bowling and sometimes they knock down all the pins, which is called a what? A strike.

    投球手投球时,有时他们撞到了所有障碍物,这叫什么呢,全打。

    耶鲁公开课 - 心理学导论课程节选

更多原声例句
更多权威例句

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

  更多收起词组短语
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