Our team has been working day and night to clear the backlog.为了把积压的事情办完，我们组一直在夜以继日地工作。Dozens of doctors and nurses have been working day and night for weeks.很多医生和护士已经夜以继日地工作数周了。Electricians have been working day and night to restore electricity supplies to the area.电工们为了恢复该地区的供电一直在夜以继日地工作。