lights-out

1. 1.

   The time at night at which artificial lights are to be turned off, a curfew or bedtime.

   夜间应关灯的时段；宵禁时间或就寝时间。

2. 2.

   The prescribed bedtime for persons living in a boarding school or staying in a hospital.

   寄宿学校或医院中规定的就寝时间。

3. 3.

   A decisive play.

   决定性的一击或关键行动。

寄宿学校或医院中规定的就寝时间。；决定性的一击或关键行动。；熄灯号；规定的熄灯时间