quack

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Colours & sounds, Animals

quack1 /kwæk/ verb [intransitive]  CHBAto make the sound a duck makes 作鸭叫声，发出〔鸭子般的〕嘎嘎声→ See Verb table

Examples from the Corpus

quack• She began a frantic quacking at the moment that Cyril got his two hands around her.• Young kids used to quack at us as we went past.• The water is full of thrashing, quacking excitement.• He gobbled, be quacked, grunted, swallowed syllables.• About a dozen mallard ducks were sleeping on the sand or quacking in a subdued manner under the dock.• Clearly, enough investors think that Donald Duck will quack on into the twenty-second century!• One wing's shredded, one's flapping, it's quacking up a storm.

Related topics: Colours & sounds, Nurses, doctors, etc

quack2 noun [countable]  1. Cthe sound a duck makes 〔鸭子发出的〕嘎嘎声2  MAsomeone who pretends to be a doctor – used to show disapproval 冒牌医生，江湖医生〔含贬义〕 → quackery quacks selling weight-loss drugs 兜售减肥药的江湖医生3  British English informalMN a doctor 医生 You’d better go and see the quack with that burn. 你最好去找医生看看那处烧伤。

Examples from the Corpus

quack• You may be considered an elitist or a quack.• But when they open their mouths the same old hacking quacks come out, the same old self-serving screeds.• There is always some magic remedy that will cure it, or some whizz-kid quack with a patent method.• If she mentioned paranoia, Buzz would insist that Elinor was the victim of a lot of quacks.• Larry paid some quack over a thousand dollars to cure his insomnia.• That quack doesn't know anything about treating heart disease.quack3 adjective [only before noun]  relating to the activities or medicines of someone who pretends to be a doctor 冒牌医生(用)的 → quackery a quack remedy 江湖医生的疗法

Examples from the Corpus

quack• Many of those quack doctors were busy selling their own, often more dangerous diet cures.• a quack remedy for coldsOrigin quack1 (1600-1700) From the sound quack2 1. (1800-1900) → QUACK12. (1600-1700) quacksalver “quack” ((16-19 centuries)), from early Dutch, probably from quacken “to quack, talk” + salf “cure”

quack1 verbquack2 nounquack3 adjectiveChinese  

Corpus the a to sound duck make makes

quack

I

quack¹ /kwæk/ verb [intransitive] to make the sound that ducks make

II

quack² noun [countable]1. the sound a duck makes
2. someone who pretends to be a doctor – used in order to show disapproval ⇨ quackery:
    quacks selling weight-loss drugs
3. British English informal a doctor:
    You’d better go and see the quack with that burn.
     

THESAURUS

   ▪ doctor someone who treats people who are ill, who has completed a long course of study at medical school: If you have bad chest pains, you should see a doctor.
   ▪ GP British English a doctor who is trained in general medicine and who treats the people who live in a local area: My GP told me that I must lose weight.
   ▪ physician /fəˈzɪʃən, fɪˈzɪʃən/ formal especially American English a doctor: the American physician, Dr James Tyler Kent
   ▪ quack informal someone who pretends to be a doctor: My father felt that people practicing alternative medicine were just a bunch of quacks.
   ▪ the medical profession doctors and nurses considered as a group: This view is widely accepted among the medical profession.
   ▪ surgeon /ˈsɜːdʒən $ ˈsɜːr-/ a doctor who does operations in a hospital: One of the world’s top heart surgeons performed the operation.
   ▪ specialist a doctor with special knowledge about a particular illness, part of the body, or type of treatment: The new drug is being tested by cancer specialists. | an eye specialist
   ▪ consultant British English a very senior doctor in a hospital, with a lot of knowledge about a particular area of medicine: The consultant said that he did not think it was cancer.
   ▪ paramedic someone who has been trained to treat sick or injured people, especially at the scene of an accident: Paramedics treated him for shock.
   ▪ vet (also veterinarian especially American English) a doctor who treats animals: We took the cat to the vet.
   ▪ paediatrician British English, pediatrician American English a doctor who treats children who are sick
   ▪ gynaecologist British English, gynecologist American English a doctor who treats medical conditions and illnesses that affect women’s bodies
   ▪ obstetrician a doctor who deals with the birth of children
   ▪ radiographer someone whose job is to take X-rays or to treat people using an X-ray machine

III

quack³ adjective [only before noun]
relating to the activities or medicines of someone who pretends to be a doctor ⇨ quackery:
    a quack remedy