口含天宪

Explanation: Days of the Constitution: that the court decree. Metaphor to speak is the law, can determine the person's life and death. 　　Usage: The main predicate; as object; negative, suggesting an analogy to speak is the law 　　Source: Southern Song Fan Ye, "Biography of the Later Han Huanzhe": "hand Wang Jue, mouth with day constitution, and non-re-Ye Ting Wing Lane the job." Thesaurus:  Gag Days of the constitution