那个自称能治好癌症的江湖骗子最终被警方逮捕了。

The self-proclaimed cancer healer was finally arrested by police as he was just a ___mountebank.

那个江湖骗子在市场上兜售号称能治百病的假药。

The ___mountebank in the market was selling fake medicines that claimed to cure all diseases.