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Idiom of the week – Black out

Posted by englishlessons on February 10, 2014

Definition:

lose consciousness due to decreased blood flow to the brain

Examples:

Pulling out of a dive, the airplane test pilot almost blacked out due to the high acceleration.

Severe dehydration can cause people to black out.

Picture it:

Picture yourself in darkness, which is what occurs when you lose consciousness.

TOEFL® Tip:

Note that “black out” is a phrasal verb. Phrasal verbs are included on the TOEFL® test as they are so frequent in English.

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