chún​wáng​chǐ​hán

to be intimately interdependent

Senses

唇亡齿寒/ 唇亡齒寒 chún​wáng​chǐ​hán variants: 脣亡齒寒 to be intimately interdependent

literally meaning "if the lips are gone, the teeth will feel cold"; used to describe two parties who share a common lot and depend on each other for survival

References

synonym 辅车相依/輔車相依 唇亡齿寒/唇亡齒寒
synonym 休戚相关/休戚相關 唇亡齿寒/唇亡齒寒
synonym 巢毁卵破/巢毀卵破 唇亡齿寒/唇亡齒寒