knock

过去式：

动词过去式: knocked

更多词形：

动词过去式: knocked | 动词过去分词: knocked | 动词现在分词: knocking | 动词第三人称单数: knocks |

单词例句：

Knock on the door before you enter.

进屋之前要先敲门。

In the second that the boxer was off guard, his opponent landed a knock out punch.

拳击手未留意的那一刹那，对方即把他击倒了。

I used to go out nearly every night but I decided to knock it on the head because I couldn't really afford it.

我以前几乎每晚外出，但现在已不是这样，因为我实在抽不出时间。

Don't drink too much of this it'll knock you out!

这种酒别喝太多--喝多了就醉了！

Even though they weren't expecting us, they managed to knock up a marvellous meal.

他们虽然没想到我们要来，但还是设法匆匆做好一顿丰盛的饭。

Keep your hands off me; or I'll knock you down.

不要碰我，当心我把你打倒在地。

He wondered whether it would be proper to knock at her door.

他不知道敲她的门是否恰当。

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

我摔倒时头撞得很厉害。

I was able to knock their price down to $1.

我把价格压到一美元。