Definition

1. Noun:
   • Quack: A person who dishonestly claims to have medical knowledge or skills; a charlatan or fake doctor.
   • Medicaster: An unqualified or incompetent practitioner of medicine.

Usage Examples

• Noun:
  • Ông ta chỉ là một lang băm, không có bằng cấp y khoa. (He is just a quack, without any medical degree.)
  • Dân làng được cảnh báo về những lang băm bán thuốc giả. (The villagers were warned about quacks selling fake medicine.)
  • Đừng tin tưởng vào lang băm, hãy đi khám bác sĩ thật. (Don't trust a medicaster; go see a real doctor.)

Advanced Usage

• The term is often used metaphorically to describe anyone who pretends to be an expert in a field but is fundamentally incompetent or fraudulent.
  • Trong giới công nghệ, cũng có không ít lang băm. (In the tech world, there are also quite a few quacks.)

Variants and Related Words

• Thầy lang (n): A traditional herbalist or healer. (Note: This term can be neutral or positive, unlike "lang băm" which is always pejorative).
• Lang vườn (n): An archaic or regional term for an unqualified, itinerant healer.

Synonyms

• Quack doctor
• Charlatan
• Mountebank
• Fraud
• Impostor

Related Idioms and Phrases

• Lừa đảo như lang băm: To deceive like a quack doctor.
  • Kẻ đó lừa đảo như lang băm, hứa hẹn chữa khỏi mọi bệnh. (That person deceives like a quack, promising to cure all diseases.)

noun

1. quack