What does "black out" mean?

To lose consciousness temporarily To faint or lose awareness for a period.

How do you use "black out" in a sentence?

He blacked out from the pain. She blacked out and can't remember. I nearly blacked out.

Phrasal Verb BritishAmericanAustralian ★★★★☆ Common Neutral

Meaning: To lose consciousness temporarily

暂时失去意识，昏厥

Desmayarse, perder el conocimiento

気を失う、意識を失う

의식을 잃다, 기절하다

To faint or lose awareness for a period.

暂时昏迷或失去知觉。可能由疼痛、疲劳、饮酒过量等原因引起。

Perder la conciencia temporalmente. Puede ser causado por dolor, fatiga, consumo excesivo de alcohol, etc.

一時的に失神すること。痛み、疲労、アルコールなどが原因で意識がなくなる状態。

일시적으로 의식을 잃거나 기절하는 것을 뜻한다.

Base verb: black

Particle: out

Separable: No — the verb and particle stay together

He blacked out from the pain.
他痛得晕过去了
Se desmayó del dolor
彼は痛みで気を失った
그는 고통으로 의식을 잃었다.
She blacked out and can't remember.
她昏过去了，什么都不记得
Perdió el conocimiento y no recuerda nada
彼女は気を失って覚えていない
그녀는 기절해서 기억이 없다.
I nearly blacked out.
我差点晕过去
Casi me desmayo
気を失いそうになった
기절할 뻔했다.

Context: fainting, medical

Tone: serious

From vision going black.

Era: Modern

Generation: All ages

Social background: Universal