唇辅相连

Explanation: Still closely related words. Language of the "Zuo Xi public five years": "auxiliary car dependency, common lot." 　　Source: Phrase from the "Zuo Xi public five years" auxiliary car dependent, interdependent. " 　　Examples: This lack of sincerity suffering, but it is Sangui male fan sitting on the future initiatives will be chaos, Guangxi ~, but the fear of a border extension of evil carry on. ★ Qing Jiang Shiquan "Guilin cream curtain discussion"