讲解文本：

mean 刻薄的，讨厌的，难相处的，吝啬的

Don't be so mean to your little brother.

别对弟弟这么刻薄。

Her husband is very mean about money.

她的丈夫在金钱上很吝啬。

Why are you so mean? What did I do!

你干嘛这么凶?我做错什么了?!

疯狂练习吧!