let something rip

Từ điển Oxford Advanced Learner 8th

let ˈrip | let sth ˈrip idiom
(informal)
1. to go or allow sth such as a car to go as fast as possible
•Once on the open road, he let rip.
•Come on Steve— let her rip.
2. to do sth or to allow sth to happen as fast as possible
•This would cause inflation to let rip again.
Main entry: ↑rip_idiom