curfew

n. evening bell,rung in winter at eight,insummer at nine,to warn people to stay indoors andput out their lights and fires晚钟。
△Rom. 4. 4. 4:“The curfew bell hath rung，’tis three o’clock.”晚钟也打过了，现在是三点钟。
△Lr.3.4. 119 (115): “he beginsat curfew,and walks till the first cock；”一打晚钟他就开始出现，一直走到第一次鸡叫。

curfew[ˈkəfju:]

n.宵禁（令）
◇impose a curfew实行宵禁
lift a curfew解除宵禁