“她究竟是如何弄到它的？”—“我不知道。”

"How on earth did she get it?"—"I dunno."

《柯林斯英汉双解大词典》

你到处跟着我究竟是在干什么？

What the hell do you think you're doing following me around?

《柯林斯英汉双解大词典》

事故究竟是怎么发生的不是很清楚。

It's not clear precisely how the accident happened.

《牛津词典》

I think we all know what it's like, actually, just watching yourself retaliate against somebody because you're angry and stop wondering why did I do that.

我想我们都深有体会，看着自己与某人作对，复仇,因为出于愤怒,而不再思考究竟是为了什么。

普林斯顿公开课 - 人性课程节选

You're hiding something from yourself, and once you know what's going on to deeper phenomena your problems will go away.

这些冲突被你压抑起来，一旦你理解了更深层次的冲突究竟是什么,你的问题便会得到解决。

耶鲁公开课 - 心理学导论课程节选

"Who are you, Socrates," we are inclined to ask, "? "to tell us what we can read here and listen to?"

我们不禁要问：，“你是谁，苏格拉底，究竟想告诉我们该读与该听什么“

耶鲁公开课 - 政治哲学导论课程节选