to drop a dime on somebody
01
こっそり密告する, 上に告げ口する
to secretely gather information about a person or group in order to expose them to a person of higher authority, often for one's personal gain
非難的
慣用句
くだけた
例
He dropped a dime on his coworkers to get himself a promotion.
彼は昇進のために、同僚のことをこっそり密告した。



























