姑妄言之

Explanation: Tentatively casual, not necessarily any reason. 　　Usage: Partial official; as the predicate attribute; jump to listen to the used in conjunction with the Kou 　　Source: Qin Zhuang, "Equality of Zhuangzi": "I try to nonsense of women and women to jump to listen to." 　　Examples: This is nothing but ~ nothing more, which one can do this? ("Nine Murders," the twenty-ninth back) Thesaurus:  Any Shuoshuo