skilled in speech
Talking about the world, a Chinese idiom, Pinyin is Shu ō D ì t á NTI ā n, which means to talk about everything from heaven to earth. It describes a wide range of topics or is skillful in words. From the outlaws of the marsh.
The origin of Idioms
Ming Shi Naian "outlaws of the marsh" Chapter 13: "the command talks, to lure people across the river."
Idiom usage
It can be used as predicate, object and attribute. The 23rd chapter of Xia Jingqu's the wild old man's Expositions in the Qing Dynasty: "a man with a fan, chatting there, referring to the prescription selling medicine."
skilled in speech
not credible unless supported by evidence - wú zhēng bù xìn
let a person fulfil his great expectations or hopes - cháng qí dà yù