if I remember correctly
如果我没记错的话
act as a waiter
当侍者
be someone's deserved punishment or misfortune
罪有应得；活该
it would serve you right if Jeff walked out on you.
如果杰夫离你而去的话，那你活该。
(主美亦作 serve out one's time)hold office for the normal period
任期内任职
be useful
有用；起作用
be useful to someone
对某人有用
take orders from two superiors or follow two conflicting or opposing principles or policies at the same time
侍二主，听命于两个原则相左的上级
(Tennis)win the final game of a set or match while serving
(网球)发球赢得一局的最后一场
Fitzgerald then served out for the set.
费茨杰拉德本局最后一场凭发球取胜。
To be deserved under the circumstances
应得：在某些条件下应该
Punish him; it will serve him right for what he has done to you.
惩罚他；考虑到他对你的所做所为这样对他是他罪有应得