1.
They kept plugging away at their job day and night.
他们日以继夜地干着。
2.
They make him working day and night .
他们支使他日以继夜地工作。
3.
Busy people can often be found Burning the midnight oil.
大忙人总是日以继夜地工作。
4.
The death factory operated unceasingly.
这些死亡工厂日以继夜地运作。
5.
He studied around the clock for his history exam.
他日以继夜地准备历史考试。
6.
They are waiting, watching, and working hopefully through all the hours of the day and the night.
他们在等待，在观察，满怀着希望日以继夜地工作。
7.
People with very important job sometimes have to work around the clock
有要职在身的人有时要日以继夜地工作
8.
They worked double tides to overfulfil their task.
他们日以继夜地工作，争取超额完成任务。
9.
People with very important jobs sometimes have to work around the clock.
有要职在身的人有时要日以继夜地工作。
10.
work against the clock:
赶时间，夜以继日地工作
11.
He ran a day and night line, copying by sun-light and by candle-light.
他白天靠日光，夜晚藉烛光，夜以继日地抄写。
12.
The couple worked day and night so as to pay off their debts.
这对夫妇夜以继日地工作以偿清债务。
13.
Work on the project is going on day and night.
工程正在夜以继日地进行。
14.
We worked around the clock to finish the job.
我们为完成任务夜以继日地工作。
15.
And I have been preparing it day and night.
我一直在夜以继日地复习。
16.
He studied round the clock for his TOEFL examinations.
他夜以继日地准备托福考试。
17.
He kept to his task for five days at a stretch
他夜以继日地工作了五天。
18.
They had to work day and night to pay for their debts.
为还债，他们不得不夜以继日地干活。