I want to know why he is leaving.

我想知道他为什么要离开。

youdao

But I want to know why it is there.

可是我想知道干吗刻在那儿。

youdao

I want to know why you put me on this planet.

我想知道你为什么把我安置在这个星球。

youdao

And that is why I want you to know that I am absolutely committed to moving forward with you and forging a new and better future together,"

VOA: standard.2009.11.05

This is very important,which is why I am doing it: "If we want to know how fast a human being can run, then it is no use to average out the speed of a "good sample" of the population; it is far better to collect Olympic gold medal winners and see how well they can do.

这话非常重要，是我作这个研究的原因：,“如果想知道人类最快能跑多快，那从好的样本中测出平均数是“,没用的;,而应该收集田径类奥运冠军的信息,看他们能跑多快。

哈佛公开课 - 幸福课课程节选

I don't understand why you'd want to take a pill to fix something that we know little about.

我不明白为什么你会愿意吃药片来治好一些我们甚至都不清楚的毛病。

对付压力的方法 - SpeakingMax英语口语达人

That was obviously not the case on the Deepwater Horizon rig, and I want to know why.

FORBES: Obama's Oil Spill Speech: Full Text

That obviously was not the case in the Deepwater Horizon rig, and I want to know why.

WHITEHOUSE: President Obama��s Oval Office Address on BP Oil Spill & Energy | The White House

Clearly the vast majority of the world isn't busy surfing the web and I want to know why.

BBC: Dot.life - how technology changes life, every Monday