大言不惭

Explanation: Talk big, do not feel embarrassed. 　　Usage: -Linked; as predicate, attributive, adverbial; containing derogatory 　　Source: Pre-Qin Confucian "Analects": "not ashamed of their words, was the too difficult." Zhu Xi Song Note: "overreaching, no blog will be worth, not from the degree of its ability to carry on." 　　Examples: Xiao Yan know the pride of the students to listen to him ~ the said, to spread a gloomy face. (Liang Bin, "Red Flag" Four b) 　　Riddle: Whisper shy Thesaurus:  ballyhoo, All one's geese are swans., advertise, paint the devil blacker than he is, talk through the back of one's neck (=talk through one's neck), declaim, High askance prate, High on a large of, ballyhoo, Width of high talk, quackery, braggadocio, braggart, draw it strong, ego, vainglory Antonym Group:  within one's power;to the bes of one's ability( capacity), seek truth from facts, Name names, Refers to the days of painting in, little cover up, Zhihuqiming, To estimate one's strength And for the, cut one'scoataccording to one's cloth