俄罗斯的观察家们在不停的争论：究竟他是一个亲西方的改革者？

Russia watchers debated endlessly: Was he a pro-Western reformer?

youdao

然而，这个女子，曾经他认为如此善良美丽的女子，究竟他妈怎么了？

This girl, though, she was so kind and beautiful, he figured, what the hell?

youdao

如果有任何质疑威廉王子究竟是怎样一个人，或是究竟他有多确定用他的方式去做一件事，这幅图可以驱散这些质疑。

If there were any lingering doubts over just what sort of a man Prince William is - or just how determined he is to do things his way - this is the picture that dispels them.

youdao

What in the hell is all of this doing here? Milton's reporting to the English people how he imagines his future literary fame.

这究竟和他有什么关系？,他却对英国人说着他对自己未来文学名声的想象。

耶鲁公开课 - 弥尔顿课程节选

So, he started asking himself the question, "What can I be sure of?"

他首先问自己一个问题,"我究竟能够确信什么呢"

耶鲁公开课 - 心理学导论课程节选

I'll be wondering what on earth is Pepsi up to, but that's fine.

我会疑惑百事究竟想干嘛,但不管他了

耶鲁公开课 - 博弈论课程节选