我不记得了，但是他们还没做过。

Actually, I don't remember, but they haven't done one yet.

youdao

苏珊举手了,你还没做过？

Susan got her hand up ? You haven't done so yet?

youdao

从上次理发以后，我还没做过一次像样的按摩呢！

I haven't had a decent massage since the last time I had my haircut!

youdao

Susan got her hand up ? You haven't done so yet?

苏珊举手了,你还没做过？

麻省理工公开课 - 电影哲学课程节选

Actually, I don't remember, but they haven't done one yet.

我不记得了,但是他们还没做过

耶鲁公开课 - 金融市场课程节选