1. He is a generous middle-aged man.
    他是一个慷慨的中年人.

2. You malign a generous person when you call him a stingy person.
    当你说一个慷慨的人吝啬时，你是在诋毁他。

3. "Well, really, it is very generous of you," said little Hans.
    “啊，你真是太慷慨了，”小汉斯说道。