Question

quack n.冒充内行之人；庸医 quack (v.) "to make a duck sound," 1610s, earlier quake (1520s), variant of quelke (early 14c.), of echoic origin (compare Middle Dutch quacken, Old Church Slavonic kvakati, Latin coaxare "to croak," Greek koax "the croaking of frogs," Hittite akuwakuwash "frog"). Middle English on the quakke (14c.) meant "hoarse, croaking." Related: Quacked; quacking.quack (n.1) "medical charlatan," 1630s, short for quacksalver (1570s), from obsolete Dutch quacksalver (modern kwakzalver), literally "hawker of salve," from Middle Dutch quacken "to brag, boast," literally "to croak" (see quack (v.)) + salf "salve," salven "to rub with ointment" (see salve (v.)). As an adjective from 1650s. The oldest attested form of the word in this sense in English is as a verb, "to play the quack" (1620s). The Dutch word also is the source of German Quacksalber, Danish kvaksalver, Swedish kvacksalvare.quack (n.2) duck sound, 1839, from quack (v.). 【记】象声词，指鸭子嘎嘎叫的声音，引申为冒充内行的人或庸医光说不练，只是叫得响；音：夸口；音：快克，广告里常听说的感冒药，感冒一般通过自身免疫力被消除，有说法称感冒药是quack【相关】charlatan 吹牛者，庸医

Accepted Answer

[kwæk] 【英】 n.冒充内行之人(char latan)；庸医(a pretender to medical skill)【考】 反义词：honest practitioner(诚实的 从业者)【记】 和quick(快)一起记， 庸医骗完钱就走【例】 The quack's remedy made the sick man feel even worse. n. 冒充内行之人; 庸医(未经训练而装作医生并提供药方和治疗的人)【记】读: quick(adj 快的)见到庸医就快走【反】honest practitioner(诚实的从业者)

单词	quack
音标	[kwæk]
解释	n.冒充内行之人；庸医
红宝书	【英】 n.冒充内行之人(char latan)；庸医(a pretender to medical skill) 【考】反义词：honest practitioner(诚实的从业者) 【记】和quick(快)一起记，庸医骗完钱就走【例】 The quack's remedy made the sick man feel even worse.
字源	quack (v.) "to make a duck sound," 1610s, earlier quake (1520s), variant of quelke (early 14c.), of echoic origin (compare Middle Dutch quacken, Old Church Slavonic kvakati, Latin coaxare "to croak," Greek koax "the croaking of frogs," Hittite akuwakuwash "frog"). Middle English on the quakke (14c.) meant "hoarse, croaking." Related: Quacked; quacking. quack (n.1) "medical charlatan," 1630s, short for quacksalver (1570s), from obsolete Dutch quacksalver (modern kwakzalver), literally "hawker of salve," from Middle Dutch quacken "to brag, boast," literally "to croak" (see quack (v.)) + salf "salve," salven "to rub with ointment" (see salve (v.)). As an adjective from 1650s. The oldest attested form of the word in this sense in English is as a verb, "to play the quack" (1620s). The Dutch word also is the source of German Quacksalber, Danish kvaksalver, Swedish kvacksalvare. quack (n.2) duck sound, 1839, from quack (v.).
不择手段背单词	n. 冒充内行之人; 庸医(未经训练而装作医生并提供药方和治疗的人) 【记】读: quick(adj 快的)见到庸医就快走【反】honest practitioner(诚实的从业者)
趣味全助记	【记】象声词，指鸭子嘎嘎叫的声音，引申为冒充内行的人或庸医光说不练，只是叫得响；音：夸口；音：快克，广告里常听说的感冒药，感冒一般通过自身免疫力被消除，有说法称感冒药是quack 【相关】charlatan 吹牛者，庸医

Quack Dutch Middle Duck English Quacksalver Literally Word