Things ain't what they used to be.
现在情况不比从前了。
There's only one thing we can do.
我们能做的只有一件事。
I don't know how you can say things like that.
真想不到你怎么会说出这种话来。
Why do you make things so difficult for yourself?
你为什么这样跟自己过不去？
What sort of person would do a thing like that?
什么人会干那样的事呢？