knock是一个英文单词，名词、动词，作名词时意思是“敲；敲打；爆震声”，作及物动词时意思是“敲；打；敲击；批评”，作不及物动词时意思是“敲；打；敲击”。

基本释义

不及物动词 vi.

1.相撞,碰击[(+against)]

His legs knocked against the chair.

他的两条腿撞到了椅子。

2.敲,击,打[(+on/at)]

He knocked at the door and entered.

他敲了敲门便走进去了。

3.(发动机等由于故障)发爆震声

及物动词vt.

1.敲,击,打[O]

The falling bottle knocked him on the head.

跌落的瓶子砸在他的头上。

2.击(撞)成 …[O][O8]

The blow knocked her senseless.

那一击把她打昏了。

3.【口】批评,贬损

The critic knocked her latest novel.

那位批评家贬损她最新的那部小说。

名词 n. [C]

1.敲;击,打

When I fell I got a terrible knock on the head.

我摔倒时头撞得很厉害。

2.【口】不幸;挫折;艰苦

We have to take certain knocks in life.

我们在一生中总得遭受某些挫折。

3.爆震声

4.【美】【俚】指摘,挑剔

相关短语

1. To knock at/on 敲，击

I knocked at the door three times but nobody answered.

我敲了三下门但没人 应门。

Someone was knocking on the window.

有人在敲窗户。

2. To knock around 漫游

He spent a few years knocking around Europe.

他花了几年时间漫游欧洲。

The college student knocked around the United States during his summer vacation.

那位大学生在暑假期间漫游美国。

3. To knock sb. down 打倒（撞到）某人

She was knocked down by a bus.

她被一辆公共汽车撞倒在地。

The boxer knocked his opponentdown twice in the first round.

拳击手第一局就击倒对手两次。

4. To knock sth. down 推倒（拆掉、拆毁）建筑物

These old houses are going to be knocked down.

这些旧房子要拆了。

They knocked down the old factory to build a new one.

他们拆掉旧的工厂以兴建新的厂房。

5. To knock off 停止某事，中断某事，（尤指）下班，收工

Do you want to knock off early today?

你今天想早点下班吗？

Let’s knock off for lunch.

咱们收工吃午饭吧~~

6. To knock out使入睡，昏睡，不省人事

Sam was drunk and knocked out his friend who stopped him from drinking.

山姆喝醉了，他一拳打昏了阻止他喝酒的朋友。

使大吃一惊，给某人留下深刻印象

The girl in the bikini knocked out the guys on the beach.

那些穿着比基尼泳衣的女孩倾倒了沙滩上的男士们。

完成

Tiffany knocked out three columnsovernight.

蒂芬妮一夜间完成了三个专栏。

7. To knock up 使怀孕

She got knocked up when she was on holiday.

她在放假的时候怀孕了。