Congratulate yourself on whatever you have achieved.

对你所取得的一切成就表示祝贺。

But just throw that imposter out  the airlock and congratulate yourselves!

但只要把那个冒名顶替者扔出气闸，祝贺你们自己！

Even if you congratulate yourself, you may end up hurting long term.

即使你祝贺自己， 你最终可能会受到长期伤害。