自己

自己

"Oneself" or "self."

In this sentence, '自己' refers to the self as the object of belief, emphasizing self-confidence.

你应该相信自己。

You should believe in yourself.

In this case, '自己' is used to stress the speaker's own opinion, adding emphasis to personal perspective.

我自己觉得这个主意不错。

I personally think this idea is good.

Here, '自己' demonstrates the idea of doing things independently, without assistance from others.

他一个人住在外地，什么事情都要自己做。

He lives alone away from home, so he has to do everything by himself.