earlier

1.

trước đó

happening or done before the usual or expected time.

:
we ate an early lunch
2.

trước đó

happening, belonging to, or done near the beginning of a particular time or period.

:
an early goal secured victory
1.

trước đó

before the usual or expected time.

:
I was planning to finish work early today
2.

trước đó

near the beginning of a particular time or period.

:
we lost a couple of games early in the season