before

在…之前，先于英释中释prepearlier than something or someone

以前；在前英释中释advat an earlier time

在…以前；在…之前英释中释conjearlier than a particular event or action

1 before and after,前后，之前之后

2 than before,比以前

3 as before,如以前

4 before long,不久以后

5 ever before,以前；从前

6 than ever before,比以往任何时候更…

7 from before,从…以前

8 go before,居先；走在前面

9 on or before,截至；在或在…以前

10 before all,尤其，特别

1 The new road should be completed before the end of the year..这条新公路应该在年底前完工。

2 Let’s meet at our house before the show..看演出前在我们家碰头吧。

3 Larry arrived home before me..拉里在我之前到家。

4 We only got back from Scotland the day before yesterday (= two days ago ) ..我们前天才从苏格兰回来。

5 Other students joined in the protest, and before long (= soon ) there was a crowd of 200 or so..其他学生也加入了抗议队伍，不久就有200人左右了。