knocking

[nɔkiŋ]

n. 爆震音, 卡答卡答的故障声音
vbl. 敲, 击

例句与用法：

Don't enter without knocking.

进屋前先敲门。

He's always knocking the way I do things.

他总是挑剔我做得不对。

Can you go to the door? Someone's knocking.

你到门那儿去看看好吗？有人敲门。

Who is knocking at the door?

谁在敲门?

The bully punched the young lad in the back, who turned round and paid him back with interest by knocking him out.

那暴徒对着年轻小伙子的背猛击一拳，那小伙子却转过身去加倍回击，将他击倒。

Someone is knocking at the door.

有人在敲门。

If the engine is heard to be knocking at any time, it must be slowed down at once.

不论什么时候如果听到发动机有撞击声，都必须立刻降低运转速度。

Please do not enter before knocking on the door.

进来前请先敲门。

词形变化：

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 |