Now, how could it be that a photograph reminds me of my friend?

那到底是什么,让我通过照片联想到我的朋友呢?

耶鲁公开课 - 死亡课程节选

I really took advantage of trying to figure out what I was really drawn to.

我真的是利用一切机会去努力搞明白自己到底对什么感兴趣。

为何选那门专业？ - SpeakingMax英语口语达人

What am I doing on this earth with regard to this particular course?

我开这门课,到底是为了什么

耶鲁公开课 - 聆听音乐课程节选

I don't know. All right, so what happens?

我不清楚到底是什么原因，怎么了？

麻省理工公开课 - 固态化学导论课程节选

If you'll allow me I will talk first about just what is a central bank such as the Federal Reserve and what do they do.

如果可以的话，我将首先谈谈,中央银行到底是什么,比如说联邦储备局，还有他们都做什么。

耶鲁公开课 - 金融市场课程节选

" "I ordered decaf. What could this be? What.."

我要的是无咖啡因咖啡，到底是什么呢“

耶鲁公开课 - 心理学导论课程节选

Now I want to really clarify for you what I mean by this term "modernism." It just means the art and literature of the early twentieth century, especially the "high art," although its roots are definitely in the nineteenth century, especially the French nineteenth century, fiction and poetry.

现在我特别想向大家解释清楚,“现代主义“到底是什么意思，它其实就是指,20世界早期的艺术和文学作品，特别是高雅艺术“,尽管它起源于19世纪，特别是19世纪法国的小说和诗歌。

耶鲁公开课 - 1945年后的美国小说课程节选

What does Milton do -- this is what I see as our project, our interpretive project, as we approach this poem -what does Milton do to get himself unstuck from this seat of anxious anticipation? That's the project.

他到底做了什么-在我看来这是我们要研究的项目，我们研究这首诗时需要解释清的项目,他做了什么使自己腹背受控,从而受挫于令人焦虑的期望？，这是我们要研究的。

耶鲁公开课 - 弥尔顿课程节选