Although it was closed for the winter, the manager, Wang Youqiang, was on duty.(雖然已經接近冬天，但是磚廠的負責人王有強還在值班。)

Ganga Bai was on duty in the evening.(甘佳巴姨那天晚上值班。)

Liang ran into a riot in a factory when she was on duty for the first time.(梁思敏第一次當班就趕上了一起工廠鬧事。)

The doctors on duty couldn't stop the blood.(值班醫生未能止住出血。)

It was Mrs. Dearden's day off, and Paul was on duty in her place.(那天是迪爾登夫人休息日，保爾替她上班。)

We have lifeguards on duty.(我們有救生員值班。)

When it is sleeping, one or two of its arms are still on duty, keeping moving.(在睡覺的時候，它的一只或兩只觸手依然醒著，會不停地活動。)

She goes on duty in half an hour.(半小時后她開始值班。)

The next crew relief comes on duty at 9 o'clock.(下一批換班的員工9點鐘接班。)

In addition to these arrangements, extra ambulances will be on duty until midnight.(除了這些安排以外，另增救護車值班至午夜。)