●put your ˈfoot in it (BrE) ( put your foot in your ˈmouthNAmE, BrE) (informal) say or do sth that upsets, offends or embarrasses sb without intending to失言；说错话；（无意中）冒犯某人◆He really put his foot in it when he mentioned the party to her. She hadn’t been invited. 他跟她提那次聚会的事可真让她难堪，因为她没被邀请。