before

Từ điển WordNet v3.1 - WordNet Dictionary

adverb

1. earlier in time;
previously (Freq. 68)
- I had known her before
- as I said before
- he called me the day before but your call had come even earlier
- her parents had died four years earlier
- I mentioned that problem earlier
• Syn:
earlier
2. at or in the front
- I see the lights of a town ahead
- the road ahead is foggy
- staring straight ahead
- we couldn't see over the heads of the people in front
- with the cross of Jesus marching on before
• Syn:
ahead, in front

• Từ đồng nghĩa / Synonyms:
  ahead, in front, earlier