to rev up
[phrase form: rev]
01
加快引擎转速, 加速引擎
to increase the speed of an engine
Transitive: to rev up an engine
例子
He revved up the motorcycle's engine before speeding off.
他在加速离开之前加速了摩托车的发动机。
02
活跃起来, 加速
to become more active or energized
Intransitive
例子
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活跃起来。
03
激励, 激发
to make someone or something more active, increasing their energy or enthusiasm
Transitive: to rev up sb/sth
例子
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倦时让你振作起来。
