You must never do this.

这件事你做不得。

《新英汉大辞典》

I'll never repeat this one enough, getting out of your regular stuff is something you MUST be able to do by yourself.

做常规事务以外的事应该是你的必备能力，这一点永远值得重申。

youdao

I'll never repeat this one enough, getting out of your regular stuff is something you MUST be able to do by yourself.

做常规事务以外的事应该是你的必备能力，这一点永远值得重申。

youdao