畅所欲言

Explanation: Chang: enjoy, happy. Fun way to say to say it. 　　Usage: Verb-object type; as the predicate attribute; with compliment, the statement for the meeting 　　Source: Qing Fang Bao "You Fengtai mind": "not less long sequence, lying from sitting, but by then people speak their minds, are held with wine, still can not go to the evening." 　　Examples: There is also a disadvantage, is a school teacher, too have scruples; Professor, Professor of the shelf, not ~. (Lu Xun, "it read Zatan _set_") Thesaurus:  Commit statement advise frankly, know Without exception speech