你付诸于行动究竟是为了什么呢？

What are you achieving by carrying an action out?

youdao

究竟是为了什么缘故？

What is for what reason?

youdao

我们得说说究竟是为了什么韦恩最近的生活方式发生了转变。

There is the great “why” to address in Wynn’s latest lifestyle change.

youdao

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