scrooge

Our manager is such a scrooge that he refuses to provide free coffee for the office staff.

(Chinese) 我们的经理是个十足的吝啬鬼，他拒绝为办公室员工提供免费咖啡。

Don't be a scrooge; it is a tradition to leave a generous tip for the waiter at Christmas.

(Chinese) 别当个守财奴；圣诞节给服务员留一份丰厚的小费是传统。