an axe to grind
別有目的地做某事,通常是出于個人利益或私人動機
口語·形容懷有私心或不滿
英文釋義
to have a hidden personal agenda or ulterior motive
例句
He has an axe to grind with the manager ever since he was passed over for promotion.
典故來源
源自19世紀美國,原指磨斧頭時帶有個人目的,后引申為隱藏的私怨或動機。