Formerly, the ringing of a bell at a fixed hour in the evening as a warning that fires and lights were to be put out.

【史】(古代夜晚通告熄灯的)晚钟。

The time of ringing.

鸣钟的时间。

The bell itself.

鸣钟时所敲的钟。

(Under martial law, etc.) signal or time after which inhabitants may not be abroad.

【军】宵禁；宵禁时间。