集市上到处都是江湖骗子，兜售着所谓的‘神奇’药水。

The fair was crowded with ___mountebanks hawking so-called 'miracle' potions.

那个江湖骗子用虚假的医疗奇迹骗走了村民们的积蓄。

The ___mountebank deceived villagers with fake medical miracles and took their savings.