False.

Charlatan, a Chinese idiom whose pinyin is jiāng hú piàn zi, refers to a heterogeneous group of people who make a living by selling fake medicines, telling fortunes, and other deceptions. From "Preface to "The Biography of Liars".

Origin of the idiom

Wang Zhongfang's "Preface to "Biographies of Liars": "In recent years, many fraud incidents have occurred, and various kinds of liars have appeared, including political Liar, economic liar, cultural liar and charlatan."

Idiom usage

More formal; used as subject, object, attributive; with derogatory meaning.