形容詞 day and night:

1. at all times
   同義詞：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.
   但愿他別再晝夜不分地招待他的朋友。
2. The enemy kept up their bombardment day and night.
   敵軍一直日夜不停地狂轟濫炸。
3. He worked hard day and night.
   他日夜努力工作。