noun🔗Share鸭叫声, 嘎嘎声 The sound made by a duck."Did you hear that duck make a quack?"你听到那只鸭子发出的嘎嘎叫声了吗？soundanimalnatureChat with AIVocabulary GamePractice Reading
verb🔗Share嘎嘎叫，鸭叫。 To make a noise like a duck."Do you hear the ducks quack?"你听见鸭子在嘎嘎叫吗？animalsoundnatureChat with AIVocabulary GamePractice Reading
noun🔗Share江湖郎中，庸医。 A fraudulent healer or incompetent professional; especially, a doctor of medicine who makes false diagnoses or inappropriate treatment; an impostor who claims to have qualifications to practice medicine."That doctor is nothing but a lousy quack!"那个医生不过是个糟糕的江湖郎中！medicinepersoncharacterjobhumansocietyscienceChat with AIVocabulary GamePractice Reading
noun🔗Share江湖郎中，庸医。 A charlatan."The new neighbor, a self-proclaimed health expert, is a quack who sells expensive, ineffective remedies. "这位新邻居自称是健康专家，其实是个江湖郎中，卖的都是昂贵又没用的药。personcharacterChat with AIVocabulary GamePractice Reading
noun🔗Share庸医，冒牌医生 A doctor."Back then, medicine wasn't regulated, so some dishonest quacks sold fake cures to sick people. "那时候，医疗管理不规范，所以有些不诚实的庸医会把假药卖给病人。medicinepersonChat with AIVocabulary GamePractice Reading
verb🔗Share庸医，江湖郎中. To practice or commit quackery (fraudulent medicine)."The unlicensed doctor was quacking remedies on his patients, promising quick cures for their illnesses. "那个无照医生正在给病人使用江湖郎中的骗术疗法，承诺可以快速治愈他们的疾病。medicineactiondiseasehumanpersonChat with AIVocabulary GamePractice Reading
verb🔗Share招摇撞骗， 吹嘘。 To make vain and loud pretensions."The salesperson was quacking about the amazing features of the new phone, but it wasn't actually any better than the older model. "那个销售员吹嘘着新款手机的各种神奇功能，但实际上它一点也不比旧款好。characterattitudeChat with AIVocabulary GamePractice Reading
adjective🔗Share庸医的, 冒牌的 Falsely presented as having medicinal powers."The quack doctor sold sugar pills as a cure for cancer. "那个冒牌医生把糖丸当作治疗癌症的药来卖。medicinepersonnegativeChat with AIVocabulary GamePractice Reading
