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to rev up
[phrase form: rev]
01
加速, 转速提升
to increase the speed of an engine
Transitive: to rev up an engine
Example
The mechanic revved up the engine to test its performance.
技师加速了发动机以测试其性能。
He revved up the motorcycle's engine before speeding off.
他在飞驰之前加速了摩托车的引擎。
02
加速, 活跃起来
to become more active or energized
Intransitive
Example
The music at the party revved up, and everyone started dancing.
派对上的音乐加速，大家都开始跳舞。
With the arrival of spring, business activity in the town starts to rev up.
随着春天的到来，镇上的商业活动开始加速，活跃起来。
03
激励, 鼓舞
to make someone or something more active, increasing their energy or enthusiasm
Transitive: to rev up sb/sth
Example
The coach revved up the team with an inspiring pre-game speech.
教练通过鼓舞人心的赛前演讲激励了球队。
A strong cup of coffee can rev you up when you're feeling tired.
一杯浓咖啡可以在你感到疲惫时激励你。
