音标：英 [blæk aʊt]，美 [blæk aʊt]
动词短语，表示多种与“中断”“遮蔽”“失去”相关的动作，具体含义随语境变化：
灯火管制/熄灯：战时或紧急情况下遮蔽灯光，或主动熄灭照明 。
停电/区域断电：因电力故障导致某区域陷入黑暗 。
失去意识/昏厥：因创伤、饮酒等原因暂时丧失意识 。
封锁信息/禁播：审查或删除敏感内容，阻止新闻、影视等传播 。
涂抹掩盖：用黑色涂掉文字、数据等，使其无法辨认 。
记忆中断：因心理创伤或醉酒等原因暂时遗忘某段经历 。
停电/区域黑暗
Large parts of Lima were blacked out after electricity pylons were blown up.
电缆塔被炸后，利马大部分地区陷入停电 。
A storm caused a black out in the entire neighborhood.
一场风暴导致整个社区停电 。
失去意识/昏厥
I could feel blood draining from my face. I wondered whether I was about to black out.
我感到血液从脸上流失，不知道自己是否要昏厥 。
He blacked out at the sight of his own blood.
他一看见自己的血就晕倒了 。
信息封锁/禁播
TV pictures of the demonstration were blacked out.
示威游行的电视画面被禁播 。
U.S. government specialists went through each page, blacking out any sensitive information.
美国政府专家逐页审查，涂掉所有敏感信息 。
记忆中断
I totally blacked out that evening.
那天晚上的事我完全记不起来了 。
He had a few too many drinks and blacked out.
他喝多了，之后的事都失忆了 。
black-out lamp：防空灯（战时遮蔽灯光的灯具）
news blackout：新闻封锁（官方禁止特定事件报道）
black out paint：遮光漆（用于遮蔽光线的涂料）<cite