我在把所有的钱花在车上之前得三思。

I'd think twice before spending all that money on a car.

youdao

有些音乐可能过于分散精力，所以在找到使你放松并且不会打扰你的音乐之前得一直尝试。

Some music might be too distracting, so keep trying until you find something that helps relax you without distracting you.

youdao

我们也寻找到了那些带有毒性的、个头颇大的块茎，像山药、芋头，这些在食用之前得经过榨取、提炼和烹饪。

And we went into the poisonous giant tubers, like the yam and the taro, which also had to be leeched, ground up and cooked before we could eat them.

youdao

I've got to tell you that I realized fairly late in life they are more subtle than I imagined the first time.

我得告诉你们,我是很晚的时候才意识到,它其实比我之前想象的要精妙得多

耶鲁公开课 - 基础物理课程节选

Maybe you have a friend who met somebody at a club who was very good looking,

也许你有个朋友之前在俱乐部见到了一个长得非常英俊的男人，

I should have 课堂 - SpeakingMax英语口语达人

The point that was just raised here is I had said before that everybody who's neurologically normal comes to acquire and learn a language.

我这里向表达的关键是,我之前说过所有神经上正常的人,都会掌握和习得一种语言

耶鲁公开课 - 心理学导论课程节选