敲一下

If the photocopier stops working just give it a clout.

如果那部影印机停止运转的话就敲它一下。

There was a knock on the door and a large stoutish man stepped in.

门上敲了一下，一个身材、为发胖的男人走了进来。

He gave the drum a bang.

他猛敲一下。

The clock chimed one o'clock.

时钟敲了一下，表示一点了?

Whoops! Don't worry; just an electrical problem. One of the Kicky-Sack sack pickers will have to flick the plug.

哎呀！别担；电出了点问题。需要一个工人去敲一下插头。