It's normal for teenagers to be worried about exams.

青少年担心考试是正常的

It's only human nature to be worried about change.

对变革有忧虑不过是人之常情。

Why should we be worried about it?

为什么我们会担心？

Not to be worried about losing more jobs.

不用担心会有更多的失业。

Sam: Maria, I wouldn't be worried about it if I were you.

山姆：玛丽亚，如果我是你，就不会担心这个问题。

And I'd be worried about investing too much in the market.

而且我很担心在市场上投资过多。