knock的语法 knock的语法是什么

1. 敲，击，撞，碰，打
2. 击（撞）成…，敲出
3. 批评，贬损
4. 敲掉，去掉，打掉
5. 使碰撞，撞倒，凿打
6. 使震惊，给...强烈印象
7. 去除，祛除(疾病)
8. 找岔子，吹毛求疵，非难，批评， 数落
9. 相撞，碰击，碰撞
10. 发出爆击声，发爆震声，发碰撞声，嘭嘭作响
11. 怦怦跳
12. 打哆嗦
13. 说坏话
14. 奔忙

1. 敲，击，打
2. 敲门声，爆震声
3. 不幸，打击，挫折，艰苦，困苦
4. 指摘，挑剔，吹毛求疵，找碴儿
5. 盘，局，回合

1. the sound of knocking (as on a door or in an engine or bearing);

   "the knocking grew louder"
   

2. negative criticism
3. a vigorous blow;

   "the sudden knock floored him"
   "he took a bash right in his face"
   "he got a bang on the head"
   

4. a bad experience;

   "the school of hard knocks"
   

5. the act of hitting vigorously;

   "he gave the table a whack"
   

1. deliver a sharp blow or push :

   "He knocked the glass clear across the room"
   

2. rap with the knuckles;

   "knock on the door"
   

3. knock against with force or violence;

   "My car bumped into the tree"
   

4. make light, repeated taps on a surface;

   "he was tapping his fingers on the table impatiently"
   

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"
   

6. 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"
   

1. knock的反义词

1. 敲缸：辛烷值是用来表示燃料发生敲缸(Knock)倾向,也就是发生自燃(Autoignition)倾向的指标. 人为地把异辛烷(isooctane)的辛烷值定为100,把正庚烷(n-heptane)的辛烷值定为零,在标准的火花点火试验机上试验,

2. knock

2. 敲击：热控制阀(Heat-Control Valve) 在引擎排气歧管中一种节温操作阀门,可在引擎未达正常工作温度之前,将废气的热导入进气歧管. 敲击(Knock) 随引擎速度出现的金属撞击声,通常是因轴承松脱或磨损所产生. 主轴承(Main Bearing) 引擎内支撑曲轴的轴承.

• The knock at the door startled Merdelius.

  出自：M. West

• She..gave the prearranged knock on the door.

  出自：R. Ingalls

• He took a bad ankle knock..and it is very swollen.

  出自：Press Journal (Aberdeen)

• What's he that knocks as he would beat down the gate?

  出自：Taming of Shrew,Shakespeare

• If you knocked at every house You wouldn't find a man who could recognise a louse.

  出自：M. Baldwin

• He knocked on the inner door.

  出自：D. Adams

• How tempted I would have been to yield, if opportunity had only knocked.

  出自：fig.

Tootacke-(牙痛)

A：Oh!!! I have a horrible toothache.
哦，我的牙痛死了。

B：You should go to the dentist.
你该去看看牙医。

A：I hate dentists.
我讨厌看牙医。

knock的近义词

B：Well, suffer then. If you have a toothache, you have to go to the dentist.
那么，你就忍着吧。如果你牙痛，你应该去看牙医的。

A：It always hurts. I hate going.
它老是痛个不停，我讨厌去（看牙医）。

knock是什么意思

B：Stop being such a baby. If it really hurts that much, just let themknock you out.
别象个小孩子似的。如果牙真的那么痛的话，就让医生治疗。

A：O.K., O.K., I’ll go.
好了好了，我会去的。

B：Good. You feel better after you do.
那才好。去了之后你会觉得好受一些的。

knock, blow, stroke

1.这组词都有“打击”“捶打”的意思, blow, stroke, knock均可指用工具、器械对另一物体的击打。例如:

Children's furniture must withstand kicks and blows.孩子们用的家具必须经得起踢打。

He drove in a nail with one stroke of the hammer.他一锤子就把钉子敲进去了。

Did you hear a knock at the door?你听到有人敲了一下门吗?

2.blow和knock还可指用手击打,表示击打某人时, blow尤指用拳头打, knock也可指用拳头和指关节敲打。例如:

The big boy aimed a blow at me.那个大个男孩朝我打来一拳。

There came the 3 p.m. knock on the door.下午3点钟来客的敲门声响了。

3.blow的对象可以是物,也可以是身体某部位,还可以是某人; stroke的对象可以是物,也可以是人; knock的对象则是门、地板等物。例如:

He got a nasty blow on the head.他的头部受到重重的一击。

She killed him with one stroke of her sword.她一剑刺死了他。

He split the log with one stroke of the axe.他一斧头就把那圆木劈开了。

If you are not up by eight I'll give you a knock.如果你到8点钟还不起床,我就敲门叫醒你。

4.stroke的工具或器械可以是硬质的东西,也可以是软质的东西; knock的工具或器械一般是硬质的东西。例如:

The man was given several strokes of the whip.那人挨了几鞭子。

knock, bang, bash, bump

这四个词意思相近,但有区别:bash是口语用词,意为猛力地撞毁某物或撞伤某人; bump的意思是偶然地碰撞某物并发出低沉的声音; bang则指撞击较重,声音也较大; knock意为撞击某物而发出清脆的声音,可指意外的动作,可造成伤痛或毁坏东西。

knock, beat, buffet, hit, strike

这组词都可以表示“打”。其区别是：

1.buffet和beat都可指“有意地打”。knock和strike既可表示有意地“打”,也可表示无意地“撞”。例如:

We were buffeting a storm.

我们正与暴风雨搏斗。

The fall knocked me senseless.

那一次摔得我失去了知觉。

The child's head struck against the door.

孩子的头撞在门上。

2.buffet表示连续猛击; beat指用棍、棒等连续击打; hit指对准某一目标去“打”; strike指徒手或持物一次性地打击。例如:

The waves buffeted the shore.

浪拍打着海岸。

The missile hit the carrier but only dented the hull.

这枚导弹击中了航空母舰,但只是把 舰体打凹了。

His fist struck home.

他一拳正中要害处。

3.hit引申为“攻击”“抨击”“受打击”,也可以指精神上或感情上的“打击”; beat可指在游戏、竞赛或战争中击败对方,用作不及物动词时,可指心脏或脉搏的“跳动”; 而strike则可以用于时钟敲响。例如:

The reviewers hit his novel severely.

评论家们对他的小说批评得很严厉。

This clock strikes on the hour.

这个钟报时。

knock, rap, tap

这组词都有“敲打”的意思。它们的区别是:knock指用手、拳或其他硬的东西用力敲打; rap指用关节、棒等急速地敲,发出刺耳的声音使人们静下来; tap指用手指尖等徐徐地叩或拍。 例如:

We rapped at the door, but there was no answer.我们笃笃地敲门,但无人回答。

The chairman rapped on the table for order.敲桌子要求安静。

She tapped her girl to let her sleep.她轻轻拍着女儿让她睡觉。

He tapped his forehead knowingly.他会心地拍拍前额。

下面各组中的两个句子意思不同:

Ameria was knocked down by a car.

阿米莉雅被汽车撞倒了。

Ameria was knocked over by a car.

阿米莉雅被汽车撞翻了。

Suddenly there came a knock at the door.

突然传来一声敲门声。

Suddenly there came a knocking at the door.

突然传来一阵敲门声。

knock，tap，rap，pat

这些动词均有“敲、击”之意。

knock指用拳头或其它器械猛敲或猛打；也指用手轻敲某物。

tap多指慢慢地、连续地轻击或轻拍。

rap指用手指或木棒等快速地轻敲或急拍。

pat指用手轻拍以示同情、赞同或爱抚。