He's on duty twenty-four seven.
他不分昼夜地天天上班。
今天谁值班？
There will only be a skeleton staff on duty over the holiday.
假期将只留必需的少数职员值班。
It was Mrs. Dearden's day off, and Paul was on duty in her place.
那天是迪尔登夫人休息日，保尔替她上班。
In addition to these arrangements, extra ambulances will be on duty until midnight.
除了这些安排以外，另增救护车值班至午夜。
We don't do any washing on duty.
我们值班的时候不洗衣服。
Shouldn't you be on duty in Room Four?
你不是应该在4号房值班吗？
The next crew relief comes on duty at 9 o'clock.
下一批换班的员工9点钟接班。
It is the rule of our school that the student who is on duty should clear up the classroom.
当值的学生应该打扫教室，这是我们学校的校规。
A policeman must not smoke while he is on duty.
警察当班值勤时不得抽烟。
She goes on duty in half an hour.
半小时后她开始值班。
我们有救生员值班。
Luckily, there was a guard on duty.
幸运的是，有一个保安在值班。
这样，我一天的值日就结束了。
Ganga Bai was on duty in the evening.
甘佳巴姨那天晚上值班。
The Danish Royal Guard is on duty.
皇家卫队仍在这里执行任务。
一个值班人员。
Are there guards on duty at all times?
所有时间都有保安值班吗？
他现在在值班。
Please wear the uniforms when they are on duty.
值班时穿上制服。
我现在正在上班。
Maybe it's because they drink alcohol while on duty.
可能是因为他们在上班时间里喝酒喝高了吧。
Michael called each sheriff on duty in the area.
Michael给该地区的每位警长打电话。
Thank you, but we are not allowed to drink on duty.
谢谢，但我们上班时间是不允许喝酒的。
Rich families bring food and water to those on duty.
富有的家庭会为执勤的人送去食物和饮用水。
Amanda: Really? Well, I will be on duty next Monday.
阿曼达：真的吗？那，我下周就去报到。
Report an on duty brigade, these are our obligations.
去报告值勤队，这是我们的义务。
Report an on duty brigade, these are our obligations.
去报告值勤队，这是我们的义务。
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