Idiom of the week – Black out
Posted by englishlessons on February 10, 2014
lose consciousness due to decreased blood flow to the brain
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 yourself in darkness, which is what occurs when you lose consciousness.
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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