琴瑟失调

Explanation: Of band: the ancient musical instrument names, metaphors couples. Harmonization of band is not playing. Analogy decree improperly failed to regulate. Also be used to couple discord. 　　Source: "Han Dong Zhong Shu-chuan": "theft analogy of living in marital disharmony, and even choosing the solution and more Zhang." 　　Examples: Unfortunately, those who are, xun chi-ming, but ~. ★ Qing Li Luyuan "Qiludeng" ninety-ninth back