X: Do you mind if I open the window?

X:如果我打开窗户你介意吗?

Y: If you don't mind, I'd rather you didn't. I have a cold and feel chilly.

Y:假使你不介意，我倒希望不要打开。因为我感冒了，觉得有点冷。

X: Oh, that's too bad. Should I call a doctor?

X:哦，真糟糕。要我打电话请医生来吗?

Y: I'd appreciate it if you would.

Y:如果你这样做我会很感激你。

X: OK.

X:好吧。