Similar words: midnight, at midnight, night and day, night, at night, by night, nightmare, overnight.
181. So the Chinese worked day and night, but at the end of the 15th day, he still needed one more day’s work.
More similar words: midnight, at midnight, night and day, night, at night, by night, nightmare, overnight, day after day, highlight, light, right, might, eighth, slight, height, flight, insight, delight, in sight, all right, tighten, light up, tightly, fighter, lightly, slightly, lighting, right away, lightning.