drop someone/something like a hot potato idiom informal
立即摆脱，马上放弃
to quickly stop being involved with someone or something because you stop liking that person or thing or you think they will cause problems for you
He dropped the plan like a hot potato when he realized how much it would cost him. 当他意识到这个计划的代价后立即就放弃了这个烫手的山芋。