n.貪心；貪婪

He was very regretful for his cupidity when he felt very thirsty and wanted to buy a bottle of drink or an ice cream, but he had no money. 當感覺非常口渴，想買瓶飲料或者一個冰激凌，卻一分錢沒有時，他為自己的貪心而感到后悔。

Avoid cupidity of money and glory. 避免對金錢和榮譽的貪婪。

There was a glimmer of cupidity in those small, cunning eyes of his. 他狡猾的小眼睛里露出了一絲貪婪的神情。