尽人皆知

Explanation: Make: All, all. All the people know 　　Usage: The main predicate; as predicate, object, attribute; with the well-known 　　Source: Qing Cao Xueqin's "Dream of Red Mansions" 51 back: "young and old men and women, saying orally, are well known to say." 　　Examples: Smoking is harmful to health, which is ~ the truth. 　　Riddle: The wise Thesaurus:  make known to every household, Jiaxianhusong, (so famous or simple that) it's known even to women and children, truism, well known, Vacant Nobody knows Antonym Group:  Unconsciously, Did not know I do not know, Person without our noticing, spirit guiltless, dottiness, ghost cannot help