pigs can fly
豬能飛
口語·表達(dá)強(qiáng)烈懷疑
英文釋義
something that is impossible or highly unlikely to happen
例句
He'll finish the project on time? Yeah, and pigs can fly.
典故來源
源自蘇格蘭諺語，用豬不可能飛比喻事情絕無可能發(fā)生。