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to rev up
[phrase form: rev]
01
to increase the speed of an engine
Transitive: to rev up an engine
Examples
The mechanic revved up the engine to test its performance.
He revved up the motorcycle's engine before speeding off.
02
to become more active or energized
Intransitive
Examples
The music at the party revved up, and everyone started dancing.
With the arrival of spring, business activity in the town starts to rev up.
03
to make someone or something more active, increasing their energy or enthusiasm
Transitive: to rev up sb/sth
Examples
The coach revved up the team with an inspiring pre-game speech.
A strong cup of coffee can rev you up when you're feeling tired.
