noun · an additional payment or financial incentive, often provided by an employer

由于今年业绩出色，老板给每个员工都发了红包。

noun · an illicit payment or kickback given to influence someone or secure favors

他试图通过送红包的方式来中标。

noun · money wrapped in red paper given as a gift during festivals, weddings, or other special occasions

过年时，长辈会给晚辈送红包。