And how do you know WTF you are doing?

你怎么知道你在做什么？

WTF, why do tennis players have such an explosive temper?

什么鬼，网球运动员为什么脾气这么暴躁？

Track is like the only sport I know that people can be decked out in jewelry like WTF.

径赛是我所知道的唯一一项人们可以戴首饰的运动。

It was lit by a sign that said " OMG WTF" .

它被一个写着“OMG WTF”的标志点亮。

Ben Sheehan started OMG WTF to call attention to these races.

Ben Sheehan 发起了 OMG WTF 以引起人们对这些比赛的关注。

So I was like -- Honestly, what I said was at that time -- " WTF" .

所以我当时想——老实说， 我当时说的是——“卧槽” 。

But if you're thinking ETF, WTF, what are they?

但如果你在想 ETF、WTF， 它们是什么？

Again people have started to use that expression, or an abbreviation for that expression, " WTF" .

人们再次开始使用该表达，或该表达的缩写，“WTF”。

The way that started for me was, like,   basically my, like, research question was: Puerto Rico, WTF?

朱莉娅：我开始的方式基本上是，我的研究问题是：波多黎各，WTF？

" WTF" is now something you may see on Facebook or Twitter or someone might text a message with those three letters.

“WTF”现在是您可能会在 Facebook 或 Twitter 上看到的东西，或者有人可能会用这三个字母发短信。