我仍不明白，你究竟为什么取了这么个名字。

I still don't understand why you chose that name in the first place.

《牛津词典》

他沮丧地叫道：“我究竟为什么要这样做？”

He cried dismally, "why ever did I do it?"

youdao

你究竟为什么要同意？

Why ever did you agree?

《牛津词典》

究竟为什么你的工作以压力大而闻名呢？

Why exactly does your job have a reputation for being stressful?

youdao

那么，你们究竟为什么还要每次都回来呢？

Why do you ever come back, then, at all?

youdao

究竟为什么会有30X的不同呢？

Why on earth is there a 30X difference?

youdao

但究竟为什么你还需要你的工作吗？

But why exactly do you need your job? Here are just a few reasons.

youdao

你究竟为什么在会上保持缄默？

Why did you keep silent at the meeting?

youdao

你们究竟为什么不停止发出喧哗？

Why on earth don't you stop making noise?

youdao

但当时无法解释究竟为什么会这样。

At that time, but can not explain exactly why.

youdao

杰克究竟为什么辞退？他刚提升呀。

Why the devil has Jack resigned? He's just been promoted.

youdao

究竟为什么会存在这样的差异呢？

Why there is such a difference?

youdao

真正的问题是我们究竟为什么要在那里？

The real question is why are we there at all?

youdao

我不知道他们究竟为什么不喜欢我。

I don't know why it is (that) they don't like me.

youdao

我们只向世界指明它究竟为什么而斗争；

We merely show the world what it is really fighting for...

youdao

我们究竟为什么会相信地球是圆的呢？

Just why do we believe that the earth is round?

youdao

有时我不知道究竟为什么要听他的话。

Every now and then, I wonder why I ever listen to him.

youdao

究竟为什么那么多的人节食？

What on earth are many people on a diet?

youdao

离开？究竟为什么？人类。

Leave? What's this all about, human?

youdao

你究竟为什么要改变主意？

Why is it that you want to change your mind?

youdao

宇宙究竟为什么存在呢？

Why should the universe exist at all?

youdao

你究竟为什么没有上学。

Why on earth didn't you go to school?

youdao

你究竟为什么要这么做？

Why did you do so?

youdao

教科研究竟为什么服务？

Teach a research why actually service?

youdao

教科研究竟为什么服务？

Teach a research why actually service?

youdao