I could feel blood draining from my face. I wondered whether I was about to black out.
我能感到血从脸上淌下来。我不知道自己是不是要昏过去了。
The storm caused the city to black out for several hours.
暴风雨导致城市停电数小时。
The government ordered a black out on news related to the military operation.
政府下令对与军事行动有关的新闻进行封锁。