a small amount of money for someone who has provided you with a service, in addition to the official amount and for their personal use

The guides sometimes receive gratuities from the tourists, which supplement their salaries. 导游有时会从游客那里得到小费，这使他们在薪金之外又增加一些收入。

Synonym: tip (PAYMENT)

Compare: service noun (DEALING WITH CUSTOMER)

a large amount of money given to someone on leaving their job

After he was disabled in the accident, he left the army with a one-off gratuity of £5,000. 在事故中致残后他退伍了，领到一次性退役金5000英镑。