before

在…之前时间

Please submit your report before Friday afternoon.

请在星期五下午之前交出报告。

在…前面、在…面前位置

She stood before the judge and answered calmly.

她站在法官面前，冷静地回答。

在…之前顺序

The letter B comes before C in the alphabet.

在字母顺序中，B 排在 C 之前。

优先于、胜过

He always puts his family before his career.

他总是把家庭放在事业之前。

在…之前、还没…就

Call me before you leave the office tonight.

今晚离开办公室之前打个电话给我。

免得、以免

Take the medicine before the cough gets worse.

赶快吃药，免得咳嗽更严重。

还不如、宁愿…也不口语

I'd quit before I'd work under that manager again.

我宁愿辞职，也不要再在那个主管底下做事。

以前、之前

I'm sure I've seen this movie somewhere before.

我确定我以前在哪里看过这部电影。