用英语怎么说吗?
一起学习一下吧。

How could you be so petty?
你怎么那么小气呢?
It was generous of him to offer to pay for us both.
他主动为我们俩付钱,真是大方。
He was a warm, generous and kind-hearted man.
他是个热情、大方又热心肠的人。
Dietler is generous with his time and money.
迪特勒在他的时间和金钱方面慷慨大方。
Leo is a cheap guy!He wanted me to buy him lunch.
Leo是个吝啬鬼,他想要我请他吃午饭。