curfew
noun [ C or U ] uk/ˈkɜː.fjuː/ us/ˈkɝː.fjuː/
（尤指战争或政治动荡时期实行的）宵禁，戒严
a rule that everyone must stay at home between particular times, usually at night, especially during a war or a period of political trouble
to impose/lift a curfew 实行／取消戒严
a midnight curfew 午夜宵禁
He was shot for breaking (= not obeying) the curfew. 他因违反宵禁令而遭到枪击。
mainly US（儿童）夜晚一定时间以后不准外出的规定
a time by which a child must be home in the evening
You'll be in trouble if you get home after curfew. 如果你超过规定时间回家会遇到麻烦的。