a situation when the government or the police will not allow any news or information on a particular subject to be given to the public新闻封锁
a news/media blackout新闻/传媒封锁
The government imposed a news blackout during the crisis.危机期间，政府强加了新闻停电。
[usually singular]a period of time during a war when all lights must be put out or covered at night, so that they cannot be seen by an enemy attacking by air灯火管制（期）
It used to take hours to travel home in the blackout.在停电期间过去要花几个小时才能回家。
They met during a blackout in the war.他们在战争停电期间相遇。
[usually plural](British English)a piece of material that covers windows to stop light being seen from outside, or light from outside from coming into a room不透光窗罩（或窗帘）
a temporary loss of consciousness, sight or memory一时性黑蒙；眼前昏黑；短时失忆
She had a blackout and couldn't remember anything about the accident.她一时失忆，那场事故怎么也想不起来了。🔊🔊