forever是什么意思

例句：

You can't shield her from the truth forever.

你不可能永远瞒着她，不让她知道事实真相。

This is something that's going to scar him forever.

这将会是永远给他留下心灵创伤的'事情。

She had to face the fact that her life had changed forever.

她得正视她的生活已永远改变了这一事实。