你走之前最好把生意上的事务了结一下。

You'd better sort out the business affairs before going.

youdao

你走之前别忘了关上灯。

Don't forget to turn off the light before you go.

youdao

你走之前我有一些事情要告诉你。

I have something to tell you before you go.

youdao

Maybe you should leave before it gets too dark, so that you don't have to walk too far.

也许你该在天黑之前就动身回去了，这样你就不用走那么远了。

How long实战 - SpeakingMax英语口语达人

You can tell your partner that you must finish this project before you leave.

你可以告诉你的伙伴，你走之前必须完成这个项目。

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