乱点鸳鸯

词典解释

[discriminately appoint affectionate couple;to cause an exchange of partners by mistake between two couples engaged to marry] 鸳鸯:常用以比喻夫妻。指几对夫妇互相错配。后指不顾具体情况而乱搭配

今日听在下说一桩意外婚姻的故事,唤作《乔太守乱点鸳鸯》。——明· 冯梦龙《醒世恒言》

成语解释

鸳鸯：水鸟名；羽毛美丽；雌雄常在一起；文学作品中常用以比喻夫妻。使两对或几对夫妇互易错配。现指不顾具体情况胡乱搭配。