quack

Definition

A fraudulent or incompetent practitioner of medicine; also the sound a duck makes.

हिन्दी एक ऐसा चिकित्सक जो धोखाधड़ी या अनुभवहीन है, या एक मुर्गी की आवाज।

Example

"The man claimed he could cure diseases, but he was just a quack."