gratuity

noun

1. an award (as for meritorious service) given without claim or obligation

2. a relatively small amount of money given for services rendered (as by a waiter)

Synonym: tippourboirebaksheeshbakshishbakshisbacksheesh

1. 小费；赏钱
A gratuity is a gift of money to someone who has done something for you.

gratuity在线翻译

e.g. The porter expects a gratuity.
行李员想要小费。

2. 退休金；遣散费；（尤指军人的）退役金
A gratuity is a large gift of money that is given to someone when they leave their job, especially when they leave the armed forces.

e.g. He is taking a gratuity from the Navy.
他将领到海军补助的退役金。