Though why on earth you should want to have a Banquet in the morning I cannot understand.

虽然我不明白你到底为什么要在早上举行宴会。

Why on earth should their beds be properly aired, seeing that they left them in such a thankless hurry?

既然他们是这样匆匆忙忙地走了，连吃力不讨好也不知道，为什么要帮他们把床铺晒干呢？

And why on earth could that be so?

但这究竟是为什么呢？

Why on earth did you tell Lisa?

你搞什么，已经告诉丽莎？

Why on earth should I knit him socks?

我凭什么要给他织袜子呢？

Why on earth is there a 30X difference?

究竟为什么会有30X的不同呢？

Why on earth not go?

究竟为什么不走？

Why on earth not?

到底为什么不呢？

Why on earth would you want to work in New York?

为什么你想去纽约上班？

Why on earth don't they get totally scratched up?

那到底为什么它们没有划伤呢？

Why on earth had her father written all over these valuable books?

父亲究竟为何要把这些有再售价值的书弄得到处都是涂鸦之作呢？

He said he did not understand why on earth he, or they, had been fighting.

他说他不理解到底为什么他或者他的团要打仗。

I found myself wondering why on earth I ever eat lunch staring at the computer screen.

我自己究竟为何要在电脑面前吃午饭呢。

If you've ever wondered why on earth someone would use a service like this - that's why.

如果你要知道为什么有人会用这种服务，这就是原因。

If you already had a touch-screen phone and a laptop, why on earth would you need an iPad?

如果你已经有一台触摸手机或者笔记本。你到底为什么还需要一台iPad呢？

Recently, when one of my readers met Julie, he asked her, "Why on earth did you marry A. J.?"

最近，我的一个读者见到朱莉时问她，“你究竟为什么嫁给贾格布斯？”

So why on earth should theory come along and say Well there's sort of a problem with communication?

那么，为什么理论非要同时存在并强调,交流方面出了一些问题？

Why on earth should we believe an attack by someone who's unwilling to stand behind his or her own words?

我们究竟为什么要相信一个敢说不敢认的人对他人的攻击之词呢？

Of course it is happening inside your head, Harry, but why on earth should that mean that it is not real?

当然是发生在你脑子里的事，哈利，但为什么那就意味着不是真的呢？

"Why on earth do you keep your horse on the veranda?" asks Tommy. All the horses he knows live in stables.

“究竟是为什么你要把马栓在走廊里呢？”托米问。就托米所知道的，所有的马应该是住在马厩里的。

Why on earth should we worry about all this bubbling up of stuff that has nothing to do with communication?

我们究竟为什么需要担心所有这些冒出来的东西？，它们与交流根本毫无关系？