let rip

Translations
дать волю (чему-то), разгуляться
During the concert, the guitarist let rip with an amazing solo.
На концерте гитарист дал волю своему таланту, исполнив потрясающее соло.
Definitions
An informal phrase meaning to allow something to happen without restraint, often used to encourage someone to proceed with energy or abandon. It can also mean to start something with enthusiasm or to let events unfold freely.
Words
let

verb
позволять
rip

verb
рваться