He says that as a child he did not understand why his father did not live with him and his mother all of the time.

VOA: special.2009.12.13

I didn't expect it to do this. If you understand why it did what it did, you're half way there.

这样运行的啊，如果你能弄明白为什么,它这么运行，你已经完成了差不多一半了。

麻省理工公开课 - 计算机科学及编程导论课程节选

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

He felt he had to make citizens understand why such laws were necessary.

VOA: special.2009.10.29

And I also wanted you to identify why, it's also important to understand why we have these trends, not just to memorize the trend itself.

而且我还需要大家判断原因是什么，这很重要，对于我们理解,为什么有这些规律，仅仅记住这些规律是不够的。

麻省理工公开课 - 化学原理课程节选

Robert E.Lee could not understand why the Union force had returned to Chancellorsville.

VOA: special.2009.10.15

I mean we can, we can sort of understand why OK, the total energy, if we measure it, we measure a process which is not reversible.

例如我们易于理解为什么，当试图测量一个不可逆系统的总能量，给出的或许。

麻省理工公开课 - 热力学与动力学课程节选

No one could understand why she so hated her role as wife.

VOA: special.2009.06.27

We're prevented from rushing to the end of the sentence, or to the end of the poem, because at least as far as the -- well, you can understand why.

想直接读到句末，到,诗的结尾，因为--你们知道为什么。

耶鲁公开课 - 弥尔顿课程节选

It was difficult for her to understand why she had married.

VOA: special.2009.06.27

Do you understand why we had to do this?

你知道为什么要这么做吗

耶鲁公开课 - 金融市场课程节选

I understand why you took the red woman with you.

VOA: special.2010.07.31

And I didn't understand why.

而且我不明白为什么。

哈佛公开课 - 幸福课课程节选

Groucho Marx answered that he did not understand why.

VOA: special.2009.12.06

What about that case? Well, I think if we were doing a matter of physics, as it posed to--sort of psychology Psychologically we understand why, losing weight might make a real difference about how you feel about yourself.

这个案例该如何解释，我认为，如果我们在研究物理问题，或者，心理学问题,从心理学的角度我们明白原因，减肥可以让你,自己感觉非常不一样。

耶鲁公开课 - 死亡课程节选

"When I was reared in the British West Indies my grandmother used to always tell me, you may not be loved by certain forces in a society and you have to understand why.

VOA: special.2011.03.20

I mean, you've been banging on that pen for a long time and I don't understand why.

我是说，你一直用那支笔敲来敲去，我不明白为什么。

Would you please 实战 - SpeakingMax英语口语达人

She says she does not understand why weeks of meetings are needed in order for the U.S.government to make a decision.

VOA: standard.2009.11.09

I don't understand why he broke up with you, he said he loves you.

我真不明白他为什么要跟你分手，他之前还说他爱你。

I hate 实战 - SpeakingMax英语口语达人

Supkin goes on to say that he doesn't understand why the author was even chosen to be the face of the new station.

VOA: standard.2010.07.10

I can understand why there is a government, state interest in protecting life

我明白为什么政府以保护生命为国家利益，

对于安乐死的看法 - SpeakingMax英语口语达人

(Speaking) One irate man told French radio he did not understand why Lyon airport authorities did not open at least one runway, closed by a 20-centimeter snowfall.

VOA: standard.2010.01.10

And I personally don't really understand why we need a Royal Family.

我个人真的不理解为什么我们需要一个皇室。

英国皇室的意义 - SpeakingMax英语口语达人

White House officials say they understand why emotions are running high.

VOA: standard.2010.01.24

How come the market, in other words, m a disciple of free market, I can understand why the government messes up, s much harder to understand why the free market messes up.

为什么市场，换句话说，我信奉市场经济，I’,我能理解为何政府干预失败，但想了解，it’,为何市场经济失败就很难了。

斯坦福公开课 - 经济学课程节选

And we work with parents and community residents to really understand why this is so important, and for them to hopefully demand these healthy foods and places to exercise in their own communities."

VOA: standard.2010.06.23

I can't understand why he dumped his girlfriend.

我真搞不明白为什么他甩了他女朋友。

I can't 实战 - SpeakingMax英语口语达人

I did not understand. "But,Dupin," I said, "why did you go to the trouble of replacing the letter?

VOA: special.2009.12.26

And if you want to understand why so many white Southerners, especially in the Deep South, went to such great extents to save their slave society, remember the kinds of arguments and language used by its defenders.

如果你们想知道为何如此多的南方白种人,特别是南方腹地的人们,想要最大程度地保住他们的奴隶制社会,那就揣摩一下这些辩护者所使用的论断,和他们的语言,措辞

耶鲁公开课 - 美国内战与重建课程节选

So, for these reasons and probably for hundred more that I haven't thought of, we can understand why these people go against the natural instinct of staying put and go adventuring out, seeking a new home someplace in the Mediterranean.

那么综上所述,当然还有很多因素我们没有涉及到,我们能够明白为什么这些人,不顾人类本性,执意远征,在地中海寻找新的家园

耶鲁公开课 - 古希腊历史简介课程节选