伶牙俐齿

Explanation: Ling, Li: smart, well-behaved. Describe clever man, a silver tongue 　　Usage: Joint type; as predicate, attributive, adverbial; with compliment 　　Source: Yuan Chang-ling, "Zhang Tian" Third off: "You break there will be a sharp tongue and say three thousand four, says that people at any rate, pry were ambiguous, loss of human behavior." 　　Examples: Bilian originally born too ~ and most will be adaptable to a statement Zhongcheng and four concubines curry favor very much. ★ Qing Wu Jian "Strange two decades," the eighty-fourth back 　　Riddle: Eloquent Thesaurus:  a silver tongue, fluent, Can be made straightforward talk, credibility, plausibility, credibility