It would be a good idea to call before we leave.

我们出发之前打个电话是个好主意。

《牛津词典》

"We do tune our guitars before we go on," he insisted.

“我们继续演奏之前一定要为吉他定音，”他坚持说。

《柯林斯英汉双解大词典》

Do you remember switching the lights off before we came out?

你记得我们出来之前关灯了吗？

《牛津词典》

They say we should drink water even before we start to feel like we need something to drink.

VOA: special.2010.07.27

All right, a couple of closing points before we leave this, things I would like you to remember.

好了，我们讲完之前再总结一下，我希望你们能记住的要点。

麻省理工公开课 - 计算机科学及编程导论课程节选

I would like to, sometime before we move out of New York. I would like to ice skate there.

我也想在我们搬出纽约前去一次。我想在那儿溜冰。

第一次来纽约 - SpeakingMax英语口语达人

Senator OBAMA: We've got a little work to do before we get to that point.

NPR: Obama, McCain Speak At Community Service Forum

Before we wed he admitted he would not deal well with being paid less than me.

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Even before we have laid down our bags, however, the little island has begun to weave its spell.

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