What is this for?

这个是用来做什么的？

youdao

What is this for? What is this charge for?

这是什么的钱?

youdao

What is this tool for?

这个工具是干什么用的？

《牛津词典》

What all this adds up to is a big responsibility for parents to consider what's really in a name.

VOA: special.2009.07.06

Our friend Schr?dinger told us that if you solve for the wave function, this is what the probability densities look like.

我们的朋友薛定谔告诉我们,如果你用波函数来解决，你就会知道这些概率密度看上去的样子。

麻省理工公开课 - 固态化学导论课程节选

So what this means is go to the local coffee shop, go to the newspaper stand, ask for directions,

所以，这就意味着你可以去当地的咖啡店、去报刊亭、去问路、

在英语系国家 - SpeakingMax英语口语达人

Very much like Shangri-La, which is what this is for independent filmmakers.

NPR: 'The Flats': A Not-So-Successful Sundance Story

That is what this award is like for me, up on the mount, you know.

NPR: No One More Surprised Than Luke Bryan By ACMs Win

This is what this campaign is going to be about -- is what is a strategy for us to move this country forward in a way where everybody can succeed?

WHITEHOUSE: President Obama Holds a Press Conference