before

US /bɪˈfɔːr/
UK /bɪˈfɔːr/
"before" picture
1.

在...之前

during the period of time preceding (a particular event or time)

:
Always wash your hands before eating.
务必洗手。
She arrived just before noon.
她刚好在中午到达。
2.

在...面前

in front of (someone or something)

:
The judge stood before the jury.
法官站在陪审团面前
He knelt before the king.
他跪在国王面前
1.

以前, 之前

at an earlier time; previously

:
I've seen this movie before.
以前看过这部电影。
She had never flown before.
以前从未飞过。
1.

在...之前

at an earlier time than (something else)

:
He finished the race before anyone else.
他比任何人都完成了比赛。
Make sure you lock the door before you leave.
离开务必锁好门。