quackKK [kwæk] /kwæk/發音名詞1鴨叫聲、嘎嘎聲We heard a loud quack coming from behind the reeds.我們聽到蘆葦後面傳來一聲響亮的鴨叫聲。2庸醫、蒙古大夫、密醫貶義That so-called doctor is a quack selling useless pills.那個所謂的醫生是個庸醫,賣的都是沒用的藥丸。3冒牌貨、招搖撞騙者He turned out to be a quack with no real qualifications.結果他是個冒牌貨,根本沒有真正的資格。動詞1嘎嘎叫The ducks quacked loudly whenever someone approached the pond.每次有人走近池塘,鴨子就大聲嘎嘎叫。形容詞1冒牌的、騙人的She wasted a fortune on quack remedies for her back pain.她為了背痛,在騙人的偏方上花了一大筆錢。