我知道我来到这个世上是有目标的，我活着就是为了实现这个目标。

I know that I have a purpose in this world and I live to fulfill this purpose.

youdao

我这么卖力气就是为了保护她，我也不知道除了这个我还能为她做什么。

I bent over backward, trying to defend her. I don't know what else I can do for her.

youdao

我知道。但是你是我的朋友是吗？你是我的好朋友。交朋友不就是为了这个吗？

I know, but you are my friend, right? You are my very good friend and that's what friend's are for?

youdao