Turn the guitars up full and let it rip.

把吉他的音量调到最大，尽情地玩。

《柯林斯英汉双解大词典》

And let's let it rip.

让我们运行一下。

麻省理工公开课 - 计算机科学及编程导论课程节选

But when it comes time to get in front of potential clients, let it rip.

FORBES: Magazine Article

But for the director, Kathryn Bigelow, the case is mainly an excuse to let it rip.

NEWYORKER: Strange Days

Translation: Apple is about to let it rip.

FORBES: Leopard On The Prowl