noun🔗Share嘎嘎声，鸭叫声 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声了吗？soundanimalbirdChat with AIVocabulary GamePractice Reading
verb🔗Share嘎嘎叫，鸭叫。 To make a noise like a duck."Do you hear the ducks quack?"你听到鸭子在嘎嘎叫吗？animalsoundnatureChat with AIVocabulary GamePractice Reading
noun🔗Share庸医， 江湖郎中 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!"那个医生根本就是个糟糕的庸医！medicinepersonjobcharacterChat with AIVocabulary GamePractice Reading
noun🔗Share江湖郎中，庸医。 A charlatan."The website was full of quacks selling fake cures for common illnesses. "这个网站上到处都是江湖郎中，卖着治疗常见疾病的假药。personcharacterChat with AIVocabulary GamePractice Reading
noun🔗Share庸医， 江湖郎中 A doctor.""During the gold rush, many quacks arrived, promising miracle cures to desperate miners." "淘金热期间，来了很多庸医和江湖郎中，向绝望的矿工们承诺有奇效的疗法。medicinepersonChat with AIVocabulary GamePractice Reading
verb🔗Share庸医，骗人的医术。 To practice or commit quackery (fraudulent medicine)."The unlicensed therapist was quacking, promising quick cures for everyone's ailments. "那个没有执照的理疗师在行骗，承诺能快速治愈所有人的疾病。medicinejobscienceChat with AIVocabulary GamePractice Reading
verb🔗Share夸夸其谈，大言不惭 To make vain and loud pretensions."The student quacks about his supposed knowledge of physics, but he can't even explain basic concepts. "这个学生夸夸其谈他所谓的物理知识，但他甚至连基本概念都解释不了。characterattitudelanguagecommunicationsocietyChat with AIVocabulary GamePractice Reading
