你以前做过这种工作吗？

Have you done this type of work before?

《柯林斯英汉双解大词典》

有些人不管他们以前做过多少次演讲都害怕。

Some are scared about it no matter how many speeches they have given before.

youdao

问：你以前做过什么工作？

Q: What other jobs have you done before?

youdao

And the first thing you do is ask is it an instance of some problem that other people have already solved?

而且你以前从没碰过这个问题,你首先要做的一件事就是问问自己,这是不是一个别人已经解决了的问题？

麻省理工公开课 - 计算机科学及编程导论课程节选

And by the time I'm a million and a half, I no longer remember what was happening in oh, back, back.

等我活到150万年，我不记得,很久以前做过什么。

耶鲁公开课 - 死亡课程节选

So if you've ever done something bad like drop your laptop or smack your computer and you've never been told not to do this.

如果你以前做过类似的摔或拍打电脑,并且没有人告诉你不可以这样做。

哈佛公开课 - 计算机科学课程节选