Someone is knocking at the door.

有人在敲门。

youdao

Somebody is knocking at the door.

有人在敲门。

youdao

The child is knocking at the door.

那个小孩正在敲门。

youdao

It's all seen from her point of view and at a distance And then somebody is knocking at the door and breaking in, and that's Kane And then there's a close-up of Kane leaning over the bed ? Right?

都是从苏珊的角度来拍的,镜头比较远,先是有人敲门,那人闯了进来，是凯恩,然后有个对凯恩,俯在床头的特写,对么？

麻省理工公开课 - 电影哲学课程节选

The first worry is that provincial and municipal administrations might soon be knocking at the door of central government, demanding funds to meet their statutory obligations.

ECONOMIST: Europe��s troubled regions