n.

1. 灯火管制
2. 灯暗；熄灯；停电
   I was trapped inside an elevator during the blackout.

   停电时，我被关在电梯里了。

3. 暂时性眼前昏黑；突然发昏
4. （广播等）停止

n.

1. a period when all lights must be turned out or covered to prevent them being seen by the enemy during an air raid.
   ▸ (blackouts) Brit. dark curtains put up in windows during an air raid.
   ▸a sudden failure or dimming of electric lights.
2. a temporary loss of consciousness.
3. an official suppression of information:
   a total news blackout.