金口玉牙

Explanation: Gold and jade: metaphor valuable. Jade Emperor Chrysostom refers to teeth, what to say what can not be changed. Is an analogy Shuoyibuer 　　Usage: Joint type; as subject, object; containing derogatory 　　Source: Jaap Jin Zhan, "arrived in doubt": "Jinnai Chrysostom jade tones, indifferent silence." 　　Examples: Do not believe you grow a ~! I have deliberately taken from the house to scale a name. ★ Liuqing "Pioneering" the second chapter Thesaurus:  That's flat., oracular words, bible, taboos and commandment, the three obediences obey her father before marriage, her husband when married, and her sons in widowhood and the four virtues (morality, proper speech, modest manner and diligent work) of women in ancient China, The first one says that the second is 2, the three cardinal guides (ruler guides subject, father guides son and husband guides wife) and the five constant virtues (benevolence, solemn promise, The daughter of a word, Shuaiyoujiuzhang, Word supremely, Golden section Jade article, very important principle which should be followed when performing a particular task Antonym Group:  It is a long story, circumbendibus anfractuosity, point to a hill and talk about grindstone— make concealed reference to something, Zhihei spoken parts in an opera, Pirie Spring and Autumn Annals, criticize mentally, Thereby hangs a tale.