black out

• 动词短语，指暂时失去知觉、记忆或视力，也指使某处完全变暗或对某事进行隐瞒封锁。

A phrasal verb used to indicate losing consciousness, memory, or vision temporarily, or to obscure or darken something completely.

不可数 · 及物和不及物 · 短语动词，可分

1. Lose consciousnessinformal

   To suddenly become unconscious or faint.

   失去意识

   • He blacked out after hitting his head on the door.
   • She blacked out from the intense heat.
   • The patient blacked out during the procedure.

   同义词collapsefaintkeel overpass outswoon

   反义词awakeregainrevive

2. Prevent information from being seenformal

   To obscure or hide text, images, or information, often for security or censorship.

   涂黑

   • The government blacked out sensitive details in the report.
   • The editor blacked out the names of the witnesses.
   • They blacked out the classified sections of the document.

   同义词blank outblot outcensorconcealcover uphidemaskobscureredactsuppress

   反义词discloseexposerevealshowuncover

3. Experience a power failureinformal

   To lose electrical power in a specific area.

   停电

   • The entire city blacked out during the storm.
   • Our neighborhood blacked out for three hours last night.
   • The factory blacked out when the generator failed.

基本动词black