ㄏㄨㄚˋhuàㄅㄨˋㄊㄡˊtóuㄐㄧㄅㄢˋbànㄐㄩˋㄉㄨㄛduō

  1. 諺語)​談話彼此意見不合無法繼續交談三俠五義·》:大爺瞧不起有些怠慢所謂話不投機半句多。」

when views are irreconcilable, it's a waste of breath to continue discussion (idiom)​