不根之谈

Explanation: Root: under; talk: rhetoric. According to the statement that there is no 　　Usage: Partial official; as object; containing derogatory 　　Source: Qing Shen Tao "pay Chui Xuan notes," Volume IV: "Yangzhou pregnant last name, first made popular history of the name, too and dead homonym, is replaced by joy. This is not the root of the talk also." 　　Examples: Early engraved "Journey to the West" novel and the person who take Yuji Zhuan "Evergreen live Journey to the West" is the introduction to crown its first, and ~ is more not pull too. ★ Lu Xun's "Brief History" chapter XVII Thesaurus:  He credited the Code, The Ho bible, On the ear eat, Eat on the ear