劍橋詞典

one person in a group who agrees not to drink alcohol in order to drive the other people to and from a place where they will drink alcohol
指定司機(jī)（指一群人中同意不喝酒竝負(fù)責(zé)開車接送他人去往或離開聚會(huì)場所的人）
Tom said he'd be the designated driver when we go out tonight . 湯姆說今晚外出時(shí)他不喝酒，作我們的司機(jī)。 返回 designated driver