1.在...以前
Only two days remain before the www.souquanme.comexamination.
考前只剩下两天了。
2.(指顺序、重要性等)在...之前,先于
Your name comes before mine.
你的名字在我之前。

I usual搜趣网ly 搜趣网drink a glass of water firstly before my lunch.

before造句
I have met him before.
我以前见过他
I visited the temple (once) be搜趣网fore .
我以前去过那座庙
I had //www.souquanme.combeen there before.
我 (在那时候) 以前到过那儿
He told me that he had met her the night before [three days before ].
他告诉我他曾在那前一天晚上 [在三天以前] 见过她
(cf. He said to me,"I met her lastnight [three days ago] .") .
I'll inform you of good news a few days before.
我会早几天通知你好消息
I'll pay tomorrow, not before .
我明天会付 (钱) ,不会提早