剑桥词典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（指一群人中同意不喝酒竝負責開車接送他人去往或離開聚會場所的人） Tom said he'd be the designated driver when we go out tonight . 湯姆說今晚外出時他不喝酒，作我們的司機。 返回 designated driver