before
US /bɪˈfɔːr/
UK /bɪˈfɔːr/

1.
在...之前
during the period of time preceding (a particular event or time)
:
•
Always wash your hands before eating.
飯前務必洗手。
•
She arrived just before noon.
她剛好在中午前到達。
2.
在...面前
in front of (someone or something)
:
•
The judge stood before the jury.
法官站在陪審團面前。
•
He knelt before the king.
他跪在國王面前。
1.
以前, 之前
at an earlier time; previously
:
•
I've seen this movie before.
我以前看過這部電影。
•
She had never flown before.
她以前從未飛過。
1.
在...之前
at an earlier time than (something else)
:
•
He finished the race before anyone else.
他比任何人都先完成了比賽。
•
Make sure you lock the door before you leave.
離開前務必鎖好門。