This is the worst thing to do.

这是下策。

《新英汉大辞典》

Distressed, she stopped her medication, the worst thing to do.

在极度的痛苦中，她停止用药？这是最坏的决定。

youdao

Whatever the trick, you’re trying to impress a woman, and that is the worst thing to do.

不管是什么伎俩，你都在想办法讨好女性，那是最烂的招数。

youdao

And then they ask themselves, " "What's the worst thing Dad could do to me?"

之后他们会问自己，“爸爸对我施加的最坏的惩罚会是什么“

耶鲁公开课 - 心理学导论课程节选

What's the very worst thing to do when your kid cries to go into bed with you and you don't want him to go into bed with you?

当你的孩子哭闹着想和你睡在一起时,最差劲的拒绝方法,会是什么呢？

耶鲁公开课 - 心理学导论课程节选

"I knew dropping by was the worst thing to do, and I could tell he was annoyed, " Cetti says.

WSJ: John Derian's Handmade Home Decor

Ditching him now out of frustration would be the worst thing to do.

FORBES: Jets Need To Keep Sanchez and Ryan

The worst thing to do now is to adopt further tax-class warfare, which will divide our country and lead to counter-productive policies that stunt growth and innovation.

FORBES: Don't Kill The Recovery By Letting Bush Cuts Disappear