night-watchman

n (pl -men) man employed to guard a closed building (eg a factory) at night （受雇守卫建筑物, 如工厂的）守夜者.

night, night after night, night and day, night porter, night safe, night shift, night-bird, night-blindness, night-club, night-gown, night-life, night-light, night-line, night-long, night-school, night-shirt, night-soil, night-staff, night-time, night-watch, nightcap, nightfall, nightgown, nightie (also nighty), nightingale, nightjar, nightly, nightmare, nightmarish, nights, nightshade, nightshirt, nightstick, nihilism, nihilist, nihilistic, nil, Nile, nimble, nimbleness,