This is the worst thing to do.

这是下策。

《新英汉大辞典》

I believe this is the worst thing in the world - that loneliness.

我真的觉得这是世界上最最糟糕的事情- - -那是种怎样的孤单。

youdao

I believe this is the worst thing in the world ? that loneliness.

在我看来，孤独是这个世界上最恐怖的一件事。

youdao

"All young people want to leave this country. This is the poorest (the worst) thing.

VOA: standard.2009.08.29

Her 2nd choice is to manage to coordinate at Matt Damon being a Yale spy, and then she really doesn't want to go and see Snow White, and the worst thing of all, actually this is for both players, the worst thing of all is to coordinate with Snow White because then you've got to talk about it afterwards at Koffee .

她的备选是看马特·达蒙扮演耶鲁间谍,她可一点也不想看《白雪公主》,对于他们两人来说最糟糕的结果,就是两个人协调好一起去看《白雪公主》,因为你喝咖啡时都不好意思提这事儿

耶鲁公开课 - 博弈论课程节选

When people started howling, "This is the worst thing I've ever seen, " it actually was true.

WSJ: Jason Gay: What Every Basketball Fan Will Miss About Butler

This is the worst thing that has ever happened to me and I will never forget this so long as I live.

BBC: The survivors' stories

"Despite the fact this is the worst thing we'll ever go through in our lives, I've been really humbled by the support of the Australian public, the tireless efforts of the police and all the friends and family who put their lives on hold to help us out, " he said.

BBC: Jill Meagher murder: Man appears in Melbourne court