ㄐㄧㄣˋjìnㄏㄨㄢhuānˊérㄙㄢˋsàn

  1. 歡樂盡興眾人老殘遊記·第一》:不消說各人各人快樂自然盡歡而散。」文明小史·二八》:縣令不安再三西自然謙讓一番是日盡歡而散。」

to disperse after a happy time (idiom)​, everyone enjoys themselves to the full then party breaks up