Как по Английски будет 先前

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

adverb

At a previous or earlier time; before.

Примеры использования:

Museums and art galleries which had previously been open to the public

adjective

Preliminary, precursory; preceding, previous, pre-existing.