Как по Английски будет 在 ... 以前

adverb

During the period of time preceding a particular event or time.

Примеры использования:

My playing days had ended six years before

conjunction

In advance of the time when.

Примеры использования:

They lived rough for four days before they were arrested

preposition

During the period of time preceding (a particular event or time).

Примеры использования:

She had to rest before dinner

At or in the front

conjunction

Before in time.

Примеры использования:

I was driven for some half mile ere we stopped

preposition

Before (a specified time).

Примеры использования:

We hope you will return ere long