day and night

形容词 day and night:

1. at all times
   同义词：around-the-clock, day-and-night, nonstop, round-the-clock

1. I wish he'd desist from entertaining his friends at all hours of the day and night.
   但愿他别再昼夜不分地招待他的朋友。
2. The enemy kept up their bombardment day and night.
   敌军一直日夜不停地狂轰滥炸。
3. He worked hard day and night.
   他日夜努力工作。