tip off

中上級 (B2) informal

To secretly tell someone useful information they wouldn't otherwise know.

"An anonymous caller tipped off the police about the planned robbery."

関連フレーズ

tip back tip down tip it down tip out tip over tip up

"off" を含むフレーズ

ab off air off auction off back off bag off bake off ball off bang off
すべてのフレーズを見る →