rev up

US /rev ʌp/
UK /rev ʌp/
"rev up" picture
1.

发动, 加大

to increase the speed of an engine or to make something more active or exciting

:
The driver revved up the engine before speeding off.
司机在加速离开前发动了引擎。
We need to rev up our marketing efforts to reach more customers.
我们需要加大营销力度,以吸引更多客户。