- 进来之前请敲门。
Please knock before you come in.
- 当幸福来敲门的时候。
When happiness comes knocking at your door.
- 有人敲门了。
Someone knocked on the door.
- 请你不要不敲门就进来。
Please do not enter the room without knocking.
- 等等，有人在敲我的门。
Hold on, someone is knocking at my door.
- 他被啪啪的敲门声吵醒了。
He was roused by a loud knocking at the door.
- 你进入我的房间之前都要敲门。
You are always to knock before entering my room.
- 你进入我的房间之前都要敲门。
You are always to knock before you come into my room.
- 竞选活动的声势也来自那些已不再年轻的人们，他们冒着严寒酷暑，敲开
It drew strength from the not-so-young people who braved the bitter cold and scorching heat to knock on doors of perfect strangers, and from the millions of Americans who volunteered and organized and proved that more than two centuries later a government
