It's easier said than done./说起来容易做起来难啊。
I feel the same way./我也有同感。
Leave it up to me./这事就交给我吧。
You helped me a lot./你帮了我大忙了。
Why torture yourself?/你这是何苦呢?
You're hopeless!/真拿你没辙!
I can hardly believe it./简直无法想信!
This is who I am./这就是我。
The most important thing in life is to learn how to give out love, and to let it come in./生命中最重要的事情就是,学习如何付出爱,以及接受爱。