Jenny:
I've tried to be kind to him against my better judgment.

我一直尽心善待他,虽然明知不智。
Mark:
What do you mean by that? Didn't you know he was not reliable?

这是什么意思?难道你不知道他并不可靠吗?
Jenny:
Yes, I did. But I wanted to give him another chance.

我知道。可是我想再给他一个机会。
Mark:
Now you know he won't change.

现在你知道他本性难移了吧。