be on duty

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.

Today it's my turn to be on duty.

今天该我值日.

There is no excuse for the students to refuse to be on duty on Tuesday.

那些学生没有理由拒绝在星期二值日。

Is it your turn to be on duty today?

今天轮到你值日吗？

Who will be on duty from midnight to five o'clock?

午夜到凌晨5点谁值班？

eg.It is requested that all staff in the company be on duty in uniform.

公司要求所有的员工穿制服上班。

It's your turn to be on duty tomorrow.

明天轮到你值日了。

Who will be on duty at six o` clock?& I will.

6点钟谁值班？-我值班。

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。

to be on night duty

值夜班

I'm supposed to be on duty the whole time.

我应该为整件事情负责。

We don't want chaps in here who should be on duty.

我们不要该在当班的人进来。

to be on point duty

在指挥交通

It is your turn to be on duty today.

今天轮到你做值日了。

I'd love to come. But I have to be on duty this weekend night.

我是想过来, 但我周末晚上得值班.

Who will be on duty at six o'clock? --- I will.

6点钟谁值班? - 我值班.

Experienced banquet waiters must also be on duty.

还必须让有经验的宴会服务员当班.

Who will be on duty tomorrow?

明天谁值班?

Sometimes he has be on duty at night.

有时他会在夜间值班.

Jack was on duty yesterday. He will be on duty again next month.

杰克昨天值过日. 他下个月在值日.

Who will be on duty tonight?

今晚的夜班谁当值?

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。

Under special conditions, the company will require staffs be on duty during holidays.

于特别情况下, 员工必需应公司之要求在假日出勤.

I can't be on duty tonight, would you please take my place?

今晚我不能出乘了, 麻烦你替我一次好 吗 ?

to be on sentry duty

放哨

But from Friday until Tuesday only critical government health and security workers would be on duty.

从上周五至本周二仅政府健康和安全部门的员工继续工作。

Modern surveillance system requires nobody to be on duty, and intelligence vision surveillance can do it.

现代监控系统要求做到无人值守，而智能视觉监控能很好满足这个要求。

Tokyo's trains and metros meet thousands upon thousands people to be on duty and off duty.

东京的火车和地铁每天接送成千上万的上下班.

It's my turn to be on duty.

该我轮值了。

Amanda: Really? Well, I will be on duty next Monday.

阿曼达：真的吗？那，我下周就去报到。