不管我做什么都没有区别，那为什么还要费心去做呢？

Nothing I do makes any difference anyway, so why bother?

《柯林斯英汉双解大词典》

不管我做什么，都不要放弃。

Whatever I do, just don't give up.

youdao

亲爱的，谢谢你，不管我做什么，你都那么支持我。

Sweetheart, thanks for standing beside me in all that I do.

youdao

So I would encourage you all, regardless of what you think you may do next year, or you may go beyond that to like, really consider this.

我愿意鼓励所有同学，不管你们计划明年做什么，请大家超越那些想法，考虑这个机会。

哈佛公开课 - 幸福课课程节选