What on earth are you doing?

你究竟在干什么？

What on earth will he get up to next?

他下一步究竟要干什么？

"I won't, Miss O'Shay," Nancy Lee said, wondering what on earth the principal had to say to her.

“我不会的，奥谢小姐。”南希·李说，她心里纳闷校长到底要对她说些什么。

One day, I asked him what on earth (究竟) his father had done so that he became such a special person.

有一天我问他，他父亲究竟做了些什么让他变得如此特别。

What on earth are we fearful of?

我们到底在害怕什么？

Tom, what on earth ails that cat?

汤姆，那只猫到底得了什么病？

Let me see what on earth you can do.

让我看看你究竟能做什么。

What on earth shall I do, when she begins to whine and cry for you?

当她开始因为你而哭哭啼啼的时候，我究竟该怎么办呢？

We felt puzzled. What on earth did they want to do?

我们都感到纳闷儿，他们到底想干什么？

Everything is all right. What on earth are you crying for?

好好儿的，你哭哪门子？

A: What on earth he mean?

他到底是什么意思？

What on earth... did you say?

你到底…说什么？

What on earth...did you say?

你到底...说什么？

What on earth is that over there?

那边那个到底是个什么东西？

What on earth is real food?

到底什么才是真正的食物？

What on earth are you doing here?

你在这里到底要干什么？

What on earth are we fearful of, then?

我们害怕的东西到底是什么？

What on earth does... mean?

到底什么意思？

What on earth are you looking for?

你到底在找什么阿？

What on earth have you been eating?

你到底吃了些什么？

What on earth happened?

到底发生了什么？

What on earth is that?

那个到底是个什么东西？

What on earth have you got on your head?

你头上究竟戴的是什么呀？

What on earth is wrong with saying that?

这么说究竟有什么错？

WHAT on earth is going on at Volkswagen?

大众究竟发生了什么？

No one had realized what on earth was going on.

没人意识到究竟在发生什么。