before
US /bɪˈfɔːr/
UK /bɪˈfɔːr/

介词
1.
在...之前
during the period of time preceding (a particular event or time)
示例:
•
Always wash your hands before eating.
饭前务必洗手。
•
She arrived just before noon.
她刚好在中午前到达。
同义词:
2.
在...面前
in front of (someone or something)
示例:
•
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。
副词
1.
以前, 之前
at an earlier time; previously
示例:
•
I've seen this movie before.
我以前看过这部电影。
•
She had never flown before.
她以前从未飞过。
连词
1.
在...之前
at an earlier time than (something else)
示例:
•
He finished the race before anyone else.
他比任何人都先完成了比赛。
•
Make sure you lock the door before you leave.
离开前务必锁好门。
同义词:
在 Lingoland 学习这个单词