beforehand

Trước đó, trước khi

at an earlier time; in advance of a particular event or situation

• do something beforehand

Collocations plan ahead · prepare in advance

• You should book your tickets beforehand.

  Bạn nên đặt vé trước khi đi.

Chuẩn bị trước, làm gì đó trước khi

to do something in preparation for a future event or situation

• do something beforehand

Collocations make arrangements in advance · take precautions ahead of time

• We should arrange the meeting beforehand.

  Chúng ta nên sắp xếp cuộc họp trước khi đi.