let loose something
成語所屬單字loose
let loose something — 慣用語
1. To suddenly make a loud sound or say something forcefully.
1.慣用語
釋義
發出（聲音或話語）
To suddenly make a loud sound or say something forcefully.
例句
The crowd let loose a huge cheer when the team scored.
Diego let loose a string of curses after dropping his phone.