唇亡齿寒的反义词

嘴唇没有了，牙齿就会感到寒冷。比喻利害密要相关。

[mutual dependency of neighboring countries when confronted with a powerful and aggressive enemy;share a common lot] 唇没有了,牙齿就寒冷。比喻双方休戚相关,荣辱与共