a person who claims to have knowledge or skills that they do not really have 假充内行的人;骗子 He knows nothing about medicine—he’s a complete charlatan. 他对医学一无所知——他完全是个骗子。
Word Originearly 17th cent. (denoting a travelling seller of supposed remedies): from French, from Italian ciarlatano, from ciarlare ‘to babble’.