quackery

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++quack·er·y /ˈkwækəri/ noun [uncountable]  MAthe activities of someone who pretends be a doctor 江湖医术；冒牌行医

Examples from the Corpus

quackery• Most medical practices were based on a fearful quackery, and most of the doctors were butchers or cranks.• Neither the accepted medical help, nor the quackery were of much use, for poor Louisa died early the following morning.

quack·er·y nounChineseSyllable  

of doctor who someone a be pretends the activities Corpus

quackery
quack‧er‧y /ˈkwækəri/ noun [uncountable]
the activities of someone who pretends be a doctor

quack·eryBrE /ˈkwækəri/ 🔊NAmE /ˈkwækəri/ 🔊 noun [uncountable] the methods or behaviour of sb who pretends to have medical knowledge 江湖医术；庸医行径