敲门应该注意的事项：注意敲门不是knock

敲门应该注意的事项：注意敲门不是knock我听见有人敲门了。The silence was suddenly broken by a knock at the door.突然，敲门声打破了寂静。

knock the door 是错误用法，敲门需要加介词on或者at

knock on / at the door 敲门

双语例句：

I hear someone knock at the door.

我听见有人敲门了。

The silence was suddenly broken by a knock at the door.

突然，敲门声打破了寂静。