他已变成了一个内心充满怨恨，冷酷无情的成年人。

He had turned into an embittered, hardened adult.

《柯林斯英汉双解大词典》

媒体已让我们所有人都变成冷酷无情的刺探他人隐私的人。

The media has made unfeeling voyeurs of all of us.

《柯林斯英汉双解大词典》

这是一切穷困中最冷酷无情的穷困。

It is, of all distresses, the coldest.

youdao

So, we can think about what would happen if we're on his thesis defense, we're on his thesis committee, we would need to think of some pretty mean, hard, nasty questions that's what happens when you defend your thesis.

所以，我们可以设想一下,如果我们在他的论文答辩会上,担任论文委员会的成员，那么会发生些什么，我们会想一些非常严厉的,冷酷无情的，险恶的问题,那也是你们在论文答辩时,会遇到的情况。

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