他在烈日下工作太久，突然出现了短暂的晕厥。

After working too long under the hot sun, he had a sudden ___black-out.

战争期间，每晚都有数小时的灯火管制。

During the war, there were several hours of ___blackouts every night.

抗议期间，当局实施了新闻封锁以防止信息传播。

Authorities enforced a news ___black-out during the protests to prevent information spreading.

昨晚的飓风导致整个城市停电了。

Last night's hurricane caused a citywide ___black-out.