I don't like the way he's looking at me.
我讨厌他看着我的样子。
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。
I don't think you realize how important this is to her.
我认为你没有意识到这对她是多么重要。
Don't you think talking to her would do some good?
你不觉得和她谈一谈会有用吗?
I don't have much free time.
我没有多少空闲时间。