| 释义 |
be on / off duty to be working or not working at a particular time, especially when you are doing a job which people take turns to do, so that someone is always doing it值班（值勤）/下班（不值勤）:•He's on night duty .他在值夜班。•Mary goes on duty (=starts working) tonight at half past ten.玛丽今晚十点半上班。•What time do you go off duty (=finish work) ?你什么时候下班？ |