One sings the other
In Chinese, Pinyin is C ǐ ch à NGB ǐ h è, which means singing here and harmonizing there. Describe each other. It comes from Ji Shi Ji Shi Ji Zi Xu of Ming Dynasty.
The origin of Idioms
Chen Tian of the Qing Dynasty's chronicle of Ming poetry: he had been isolated from the first seven scholars for decades, but he was in harmony with each other and echoed his wishes.
Idiom usage
They are used as predicate and attribute. examples now ~, all agree. ——The ninth chapter of the romance of Empress Dowager Cixi by Cai Dongfan
Analysis of Idioms
Antonyms: contradiction, self contradiction
One sings the other
as easily as walking on firm earth - rú lǚ píng dì
romantic themes ; to waste money in houses of ill repute - xuě yuè fēng huā
Showing virtue and violating the law - zhāo dé sè wéi
Destroy the square and turn the circle - huǐ fāng tóu yuán