n.警卫;守门人;巡夜者;
例句:
The watchman does not go to bed till past midnight.
守夜者午夜过后才上床睡觉.
A watchman guards the house at night.
在夜间有一位看守人守护这间屋子.
His grandfather is the watchman of the factory.
他的爷爷是这个工厂的守夜人.