in the night watches

例句：

1. 1. The watchman stood guard at the gate during the night.
   夜班守卫在夜里站在门口。
2. 2. The soldiers were on night watches, keeping a vigil for any danger.
   士兵们在夜间值班，警惕任何危险。
3. 3. The police were conducting night watches in the city center to prevent crime.
   警察在市中心进行夜间巡逻，以防止犯罪。