impose a curfew on sth
impose a curfew on sth 表示‘对某地实施宵禁’，是正式用语。
The government imposed a curfew on the city.
政府对这座城市实施了宵禁。
晚钟时刻；宵禁信号鸣响时刻
要求人们在特定时间前离开街道并回到住所的规定。；宵禁信号响起的时间；宵禁开始的时间；该限制开始的时间。；宣布宵禁开始的信号(通常是钟声)；表示宵禁开始的信号。
此义多见于历史语境。
要求人们在特定时间前离开街道并回到住所的规定。
Any regulation requiring people to be off the streets and in their homes by a certain time.
宵禁信号响起的时间
the time that the curfew signal is sounded
宵禁开始的时间；该限制开始的时间。
The time when such restriction begins.
宣布宵禁开始的信号(通常是钟声)
a signal (usually a bell) announcing the start of curfew restrictions
表示宵禁开始的信号。
A signal indicating this time.
禁止在特定时间后进行某些活动的命令(如在街上)
an order that after a specific time certain activities (as being outside on the streets) are prohibited
一种壁炉配件,用于完全覆盖余烬以封火。
A fireplace accessory designed to bank a fire by completely covering the embers.
晚钟；在宵禁令废止后,许多城镇仍持续敲响的晚钟。
The evening bell, which continued to be rung in many towns after the regulation itself became obsolete.
Our town's curfew is at nine p.m., when the old tower bell rings.
我们镇的宵禁时刻是晚上九点，那时古老的塔钟会响起。
用法提示：curfew 作名词，指宵禁开始（钟声敲响）的时间点。
The streets were unusually quiet after the curfew, with only the night watchman about.
宵禁时刻过后，街道异常安静，只有守夜人在走动。
用法提示：curfew 作名词，用于介词 after 后，指宵禁时间这一时刻。
In the past, each village had a curfew at sunset, announced by the town crier.
过去，每个村庄在日落时都有宵禁时刻，由镇上的公告员宣布。
用法提示：curfew 作名词，在此表示黄昏时的宵禁时间，与 have 搭配。
impose a curfew on sth 表示‘对某地实施宵禁’，是正式用语。
The government imposed a curfew on the city.
政府对这座城市实施了宵禁。
under curfew 为介词短语，表示状态，前面常用 be 动词。
The residents were under curfew during the protests.
抗议期间，居民处于宵禁之下。
break curfew 通常不带冠词，表示‘违反宵禁’这一行为。
He was arrested for breaking curfew.
他因违反宵禁而被捕。
lift the curfew 意为‘解除宵禁’，与 impose 相对。
The mayor lifted the curfew after the situation calmed down.
局势平静后，市长解除了宵禁。
与 curfew 相比通常不强调“夜间固定时段”，可能全天有效；正式语境中常见。
范围比 curfew 大，不单指夜间不得外出；使用时常指整体封控措施，需结合语境。
为上位词，语义较笼统；要表达“宵禁”需另加时间或夜间等限定词。
比 curfew 更通用，不特指“夜间外出”；若用来解释 curfew，常搭配具体对象（如 nighttime ban）。
grammar · medium
易错句子The government curfewed the city after the riot.
正确表达The government imposed a curfew on the city after the riot.
curfew 是名词，不能直接用作动词。表示“实行宵禁”要用 impose a curfew 或 put a curfew in place，而不是把 curfew 当动词。
grammar · medium
易错句子The city is in curfew during the night.
正确表达The city is under curfew during the night.
表示“处于宵禁状态”时，英语用固定搭配 under curfew，介词用 under，不用 in。
grammar · medium
易错句子They imposed curfew yesterday.
正确表达They imposed a curfew yesterday.
curfew 是可数名词，表示“一项宵禁令”时需要用不定冠词 a，不能零冠词直接使用。
curfew 指宵禁信号鸣响的时刻或宵禁令本身；dusk 只指日落后的天色时段，不涉及任何规定或信号。
实施宵禁
The government imposed a curfew after the riots.
暴乱后政府实施了宵禁。
解除宵禁
Authorities lifted the curfew this morning.
当局今天早上解除了宵禁。
处于宵禁中
The city has been under curfew for three days.
该市已实施宵禁三天。
宵禁时段
No one is allowed outside during curfew hours.
宵禁时段禁止任何人外出。
违反宵禁
Several people were arrested for violating the curfew.
数人因违反宵禁被捕。
同样是一种限制人身活动的措施，但范围更广，常与curfew一起讨论。
curfew通常由地方性法令颁布。
很多curfew法令专门针对青少年夜间外出的时间限制。
违反curfew会面临处罚，这个词在新闻报道中常见。
curfew常在紧急状态（如灾害或动乱）下实施。
晚钟为逝去的一天敲响丧钟。
Unlike today's curfew, which keeps people indoors, Gray's curfew is simply the evening bell.
与今天让人待在家中的宵禁不同，格雷诗中的 curfew 只是晚钟。
Dictionary facts from ECDICT, WIKTIONARY.
宵禁限制措施
The curfew restrictions were eased for the holiday.
节日期间宵禁限制措施有所放宽。