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- Half the garrison is/are on duty. 有半数卫戍部队在执勤。
- Please bleep the doctor on duty immediately. 请立刻用传呼机召值班医生。
- The rule is that someone must be on duty at all times. 按照规定，任何时候均需有人值班。
- He reported the murder to the police on duty. 他将凶杀事件告知值班警察。
- The police on duty rode the escaping thief down. 值班警察追上了逃跑的小偷。
- I arrive at the hospital at eight o'clock, but I don't go on duty until nine. 我八点钟就到医院了，但是九点钟我才去值班。
- I'm on duty as from the Spring Day. 我刚好在春节那天值日。
- Two retired workers are on duty guarding the gate. 两个退休工人值班守卫大门。
- We come on duty seven hours a day. 我们每天上班七小时。
- He is on duty from 9 a.m. to 6 p.m. today. 他今天从早晨9点到下午6点值班。
- Who will be on duty at six o'clock? ---I will. 6点钟谁值班?-我值班。
- A policeman is not allowed to smoke on duty. 警察值班时不准吸烟。
- I had lifted my hand against a pilot on duty. 我打了一个值班的掌舵。
- Experienced banquet waiters must also be on duty. 还必须让有经验的宴会服务员当班。
- I am on duty tomorrow. I'll have to switch with someone to go to your party. 我明天值班。我得和谁换一下班才能去参加你们的聚会。
- I shouldn't by rights be at this party at all -- I'm on duty tonight. 我照理不该参加这个聚会,因为今晚我值班。
- A policeman must not smoke while he is on duty. 警察当班值勤时不得抽烟。
- We'll take our turn on duty at 1 p.m. 我们下午一点接班。
- The teachers on duty are policing the school buildings during the lunch hour. 在午饭时间，值班教师负责维持校内秩序。
- Some nurses at the hospital are on duty all night. 这个医院的一些护士整夜值班。
