用英语翻译：在战争开始之前他离开了中国。我们被禁止在剧院里抽烟。这辆汽车需要修理一下。

在战争开始之前他离开了中国:
Starts before the war he left China
我们被禁止在剧院里抽烟:
We are forbidden to smoke in the theater
这辆汽车需要修理一下:
This automobile needs to repair

Starts before the war he left China. We are forbidden to smoke in the theater. This automobile needs to repair.

He left China before the war broke out.

We are forbidden to smoke in the theatre.

The car is in need of repair.

He left China before the war broke out.
He left China prior to the beginning of the war.

We are not allowed to smoke in the theatre.

The car needs to be fixed.

He left China before tha war began.
We are forbindden to smoke in the theatre.
This car needs repairing.

He left China before the war had begun.
Smoking is forbidden in the concert hall.
The car needs repairing.