你觉得这很不划算。这是为什么呢？

You feel that it's uneconomical. Why is this?

《柯林斯英汉双解大词典》

“这是为什么呢？”她若有所思地问自己。

'I wonder why?' she mused.

《牛津词典》

我自问这是为什么？

I asked myself why?

youdao

“我想我不应该再呆在这栋房子里了” — “可这是为什么？”

"I don't think I should stay in this house."—"But why?"

《柯林斯英汉双解大词典》

你们可以思考一下这是为什么。

So you can think about why that is.

youdao

有朋友不理解，问这是为什么？

A friend, puzzled, asks him why.

youdao

他不想求助于神启，这是为什么呢？

He doesn't want to appeal to divine revelation, why not?

youdao

这是为什么争吵会持续很久。

That's why they keep the argument going.

youdao

但并不难理解这是为什么。

But it's not hard to understand why.

youdao

让我们看看这是为什么吧。

Take these in turn to see why.

youdao

大部分软件却是32位，这是为什么呢？

Most software, however, is 32-bit. Why?

youdao

这是为什么将这条途径放在首位的原因。

It is the reason why you've been down this path in the first place.

youdao

这是为什么所有人都先有所付出的部分原因。

That's part of the reason why all gave some in the first place.

youdao

这是为什么？“阿拉法特问。”

"What's that?" asks Arafat.

youdao

时至今日，我们知道这是为什么了。

And indeed, we now know why.

youdao

这是为什么我花了几分钟说出这个。

That's why I spent a couple of minutes trying to spell it out.

youdao

这是为什么，吉恩？

Why is that, Gene?

youdao

但是你能告诉这是为什么吗？

But can you tell me why?

youdao

这是为什么很难减肥并维持减肥效果的原因之一。

This is one reason why it's hard to lose weight and maintain the loss.

youdao

可这是为什么呢？

But why he did that?

youdao

这是为什么？他是否突然会到达塞纳河？

Why? Was he about to arrive suddenly at the Seine?

youdao

有些人的自制力似乎总是比别人差，这是为什么呢？

It seems some people just have less self-discipline than others. Why is this?

youdao

而你不知道这是为什么。

Drained. And you don't know why.

youdao

这是为什么？

"Why was that"?

youdao

孤独症的案例正在上升，你认为这是为什么？

Cases of autism are rising. Why do you think that is?

youdao

他想知道这是为什么。

He wanted to know why.

youdao

这是为什么？

The question is, why?

youdao

你能明白这是为什么。

One can see why.

youdao

这是为什么？

Why was this?

youdao

这是为什么？

Why was this?

youdao