单词	quack
释义	quack1 verbquack2 nounquack3 adjective quackquack1 /kwæk/ verb [intransitive] Word Origin WORD ORIGINquack1 Origin: 1600-1700 From the sound Verb Table VERB TABLE quack Simple Form Present I, you, we, they quack he, she, it quacks Past I, you, he, she, it, we, they quacked Present perfect I, you, we, they have quacked he, she, it has quacked Past perfect I, you, he, she, it, we, they had quacked Future I, you, he, she, it, we, they will quack Future perfect I, you, he, she, it, we, they will have quacked Continuous Form Present I am quacking he, she, it is quacking you, we, they are quacking Past I, he, she, it was quacking you, we, they were quacking Present perfect I, you, we, they have been quacking he, she, it has been quacking Past perfect I, you, he, she, it, we, they had been quacking Future I, you, he, she, it, we, they will be quacking Future perfect I, you, he, she, it, we, they will have been quacking Examples EXAMPLES FROM THE CORPUS 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! He gobbled, be quacked, grunted, swallowed syllables. One wing's shredded, one's flapping, it's quacking up a storm. She began a frantic quacking at the moment that Cyril got his two hands around her. The water is full of thrashing, quacking excitement. Young kids used to quack at us as we went past. word sets WORD SETS► Animals aardvark, nounadder, nounAfghan, nounalley cat, nounalligator, nounalpaca, nounAlsatian, nounamphibian, nounamphibious, adjectiveangora, nounanimal, nounanteater, nounantelope, nounanthropoid, adjectiveantler, nounape, nounappaloosa, nounarachnid, nounarmadillo, nounasp, nounass, nounbaa, verbbaboon, nounbaby, nounbadger, nounbantam, nounbark, verbbark, nounbarnacle, nounbasset, nounbat, nounbay, nounbay, verbbay, adjectivebeagle, nounbear, nounbeast, nounbeast of burden, nounbeaver, nounbellow, verbbellow, nounbelly, nounbig cat, nounbig game, nounbighorn sheep, nounbilly goat, nounbiped, nounbison, nounbitch, nounbivalve, nounbleat, verbbloodhound, nounbloodstream, nounblow-hole, nounboa, nounboar, nounbobcat, nounbovine, adjectivebow-wow, nounboxer, nounbrainwave, nounbrindled, adjectivebristle, verbbronc, nounbronco, nounbrontosaurus, nounbrush, nounbuck, nounbuffalo, nounbull, nounbulldog, nounbullfrog, nounbullock, nounbull terrier, nounburro, nounburrow, nouncalf, nouncall, nouncalve, verbcamel, nouncanine, adjectivecanine, nouncarapace, nouncarcass, nouncaribou, nouncarnivore, nouncarthorse, nouncat, nouncattle, nouncaudal, adjectivecayman, nouncetacean, nounchameleon, nounchamois, nouncheetah, nounchestnut, nounchickadee, nounchicken, nounchihuahua, nounchimpanzee, nounchinchilla, nounchipmunk, nounchow, nounclaw, nouncloven hoof, nouncoat, nouncob, nouncobra, nouncocker spaniel, nouncold-blooded, adjectivecollie, nouncolouring, nouncolt, nouncomb, nounconnective tissue, nouncony, nouncoon, nouncopperhead, nouncorgi, nouncougar, nouncourtship, nouncow, nouncoyote, nouncoypu, nouncrest, nouncrocodile, nouncrop, verbcrustacean, nouncry, nouncub, nouncur, noundachshund, nounDalmatian, noundeer, nounden, noundentine, noundingo, noundinosaur, noundoe, noundog, noundolphin, noundomesticate, verbdonkey, noundormouse, noundorsal, adjectivedromedary, nounduckbilled platypus, nounearthworm, nounelephant, nounelk, nounentrails, nounermine, nounewe, nounexcreta, nounexcretion, nounfallopian tube, nounfallow deer, nounfang, nounfauna, nounfawn, nounfeed, nounfeeler, nounfeline, adjectivefeline, nounfemale, adjectivefemale, nounferal, adjectiveferret, nounfetlock, nounfieldmouse, nounfilly, nounfin, nounfleece, nounflipper, nounflying fox, nounfoal, nounfoal, verbfoetus, nounforefoot, nounforeleg, nounfox, nounfoxhound, nounfox terrier, nounFriesian, nounfrog, nounfrogspawn, nounfruit bat, nounfur, nounfurry, adjectivegarter snake, noungazelle, noungecko, noungeese, gelding, noungerbil, nounGerman shepherd, noungestation, noungiant panda, noungibbon, noungiraffe, noungnu, noungoat, noungolden retriever, noungopher, noungorilla, noungregarious, adjectivegreyhound, noungroundhog, nounground squirrel, noungrunt, verbguinea pig, nounhack, nounhackles, nounhairless, adjectivehamster, nounhare, nounhart, nounhaunch, nounhedgehog, nounheifer, nounhen, nounherbivore, nounherd, nounhermit crab, nounhibernate, verbhind, adjectivehind, nounhindquarters, nounhippo, nounhippopotamus, nounhock, nounhog, nounhoof, nounhorned, adjectivehorse, nounhound, nounhowl, verbhump, nounhusky, nounhyaena, nounhybrid, nounhyena, nounibex, nouniguana, nounimpala, nouninbred, adjectiveinbreeding, nouninsectivore, nouninterbreed, verbinvertebrate, nounjackal, nounjackrabbit, nounjaguar, nounjellyfish, nounJersey, nounkangaroo, nounkid, nounkoala, nounkookaburra, nounLabrador, nounlair, nounlamb, nounlemming, nounleopard, nounlion, nounlioness, nounlitter, nounlitter, verblizard, nounllama, nounlonghorn, nounlugworm, nounlynx, nounmale, nounmamba, nounmammal, nounmammary, adjectivemammoth, nounmandible, nounmandrill, nounmane, nounman-eater, nounmare, nounmarmoset, nounmarsupial, nounmarten, nounmastitis, nounmate, nounmate, verbmating, nounmaw, nounmenagerie, nounmew, verbmiaow, verbmice, nounmigrant, nounmilk, verbmimic, verbmimic, nounmink, nounmole, nounmollusc, nounmongoose, nounmongrel, nounmonkey, nounmoo, verbmoose, nounmoult, verbmountain goat, nounmountain lion, nounmouse, nounmule, nounmuskrat, nounmussel, nounmustang, nounmutt, nounmuzzle, nounnag, nounnanny goat, nounnative, adjectivenative, nounnest, nounnewt, nounnocturnal, adjectiveocelot, nounoctopus, nounoffspring, nounoink, interjectionokapi, nounOld English sheepdog, nounomnivore, nounomnivorous, adjectiveopossum, nounorangutang, nounotter, nounox, nounpachyderm, nounpack, nounpad, nounpair, nounpanda, nounpanther, nounparasite, nounparasitic, adjectivepaw, nounpaw, verbpeccary, nounpedigree, adjectivepeke, nounPekinese, nounpelt, nounPersian cat, nounpest, nounpheasant, nounpiebald, adjectivepied, adjectivepig, nounpiggy, nounpiglet, nounpincer, nounpine marten, nounpinto, nounpit bull terrier, nounpit pony, nounplankton, nounplate, nounplatypus, nounpointer, nounpolar bear, nounpolecat, nounpolyp, nounpony, nounpooch, nounpoodle, nounporcupine, nounporker, nounporpoise, nounPortuguese man-of-war, nounpossum, nounpouch, nounprairie dog, nounprance, verbpredation, nounpredator, nounpredatory, adjectiveprehensile, adjectiveprey, nounprickle, nounpride, nounprimate, nounproboscis, nounprocreate, verbprowl, verbpterodactyl, nounpuffin, nounpug, nounpullet, nounpuma, nounpup, nounpurebred, adjectivepurr, verbpussy, nounpython, nounquack, verbquadruped, nounquill, nounrabbit, nounrabbit warren, nounrabid, adjectiveraccoon, nounracoon, nounram, nounrat, nounrattler, nounrattlesnake, nounravening, adjectivereindeer, nounreptile, nounretract, verbretriever, nounrhesus monkey, nounrhino, nounrhinoceros, nounroan, nounrodent, nounroe deer, nounrottweiler, nounruminant, nounruminate, verbrump, nounrunt, nounrut, nounsable, nounsac, nounsalamander, nounsausage dog, nounscavenge, verbschool, nounscorpion, nounseal, nounsea lion, nounseashell, nounsea urchin, nounsemen, nounserpent, nounsetter, nounsex, verbshed, verbsheep, nounsheepdog, nounShetland pony, nounshire horse, nounshrew, nounshrimp, nounSiamese cat, nounsilkworm, nounsimian, adjectivesire, nounskin, nounskunk, nounsloth, nounslug, nounsnail, nounsnake, nounsnakebite, nounsnarl, verbsniffer dog, nounsnout, nounsocial, adjectivesow, nounspaniel, nounspawn, verbspawn, nounsperm whale, nounsponge, nounspoor, nounspore, nounspringbok, nounsquid, nounsquirrel, nounstag, nounstallion, nounstarfish, nounSt Bernard, nounsteed, nounsteer, nounsting, nounstinger, nounstoat, nounstomach, nounstray, adjectivestray, nounstud, nounsucker, nounsuckle, verbsuckling, nounswine, nountadpole, nountail, nountame, adjectivetame, verbtapeworm, nountapir, nounteat, nountentacle, nounterrapin, nounterrier, nounterritorial, adjectiveterritory, nountiger, nountigress, nountoad, nountom, nountomcat, nountooth, nountortoise, nountortoiseshell, nountrumpet, verbtrunk, nountufted, adjectiveturtle, nountusk, nountyrannosaurus, nounudder, nounuterus, nounvampire bat, nounvent, nounvermin, nounvertebrate, nounvicuña, nounviper, nounvivarium, nounvixen, nounvole, nounwag, verbwallaby, nounwallow, verbwalrus, nounwarm-blooded, adjectivewarren, nounwarthog, nounwater buffalo, nounwater rat, nounwater vole, nounweasel, nounweevil, nounwhale, nounwhelk, nounwhelp, nounwhelp, verbwhinny, verbwhippet, nounwhisker, nounwild boar, nounwildcat, nounwildebeest, nounwildfowl, nounwinkle, nounwithers, nounwolf, nounwolfhound, nounwombat, nounwool, nounyak, nounyap, verbyap, nounyearling, nounyelp, nounYorkshire terrier, nounyoung, nounzebra, nounzoologist, nounzoology, nounzygote, noun Collocations COLLOCATIONS FROM OTHER ENTRIES► a duck quacks (=makes the sound ducks make)· The ducks on the river started quacking. to make the sound a duck makes quack1 verbquack2 nounquack3 adjective quackquack2 noun [countable] Word Origin WORD ORIGINquack2 Origin: 1 1800-1900 ➔ QUACK12-3 1600-1700 quacksalver ‘quack’ (16-19 centuries), from early Dutch, probably from quacken ‘to quack, talk’ + salf ‘cure’ Examples EXAMPLES FROM OTHER DICTIONARIES Larry paid some quack over a thousand dollars to cure his insomnia. That quack doesn't know anything about treating heart disease. EXAMPLES FROM THE CORPUS But when they open their mouths the same old hacking quacks come out, the same old self-serving screeds. If she mentioned paranoia, Buzz would insist that Elinor was the victim of a lot of quacks. There is always some magic remedy that will cure it, or some whizz-kid quack with a patent method. You may be considered an elitist or a quack. Thesaurus 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 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 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 Longman Language Activatorsomeone who tricks other people► con man/con artist/scam artist someone who tries to get money from people by tricking them: · A pair of con men have been tricking older people in the community out of their life savings.· Don't be fooled by con artists who promise enormous returns on your investment with no risk.· Petty scam artists victimize tourists on the streets. ► crook informal a dishonest person who steals things or tricks people: · I wouldn't do business with him - he's a crook.· People have accused me of being a crook, but I didn't take any money that wasn't mine. ► charlatan someone who pretends to have special skills and abilities and tricks people into believing them: · Some psychic charlatan convinced her she was going to die in six months.· Charlatans advertise a variety of fat-reducing treatments in the back of magazines. ► quack informal a dishonest person who pretends to be a doctor who can cure diseases: · Larry paid some quack over a thousand dollars to cure his insomnia.· That quack doesn't know anything about treating heart disease. ► shyster American informal a dishonest person, especially a lawyer: · Their lawyer is a shyster who would do anything to win a case.· Once the shysters get involved, you can be sure we'll end up in court. ► snake-oil salesman/peddler American someone who deceives people by persuading them to accept false information, solutions etc that are not effective: · Critics have called the Senator a smooth-talking snake-oil peddler.· Latenight TV is full of snake-oil salesmen offering get-rich-quick schemes. WORD SETS► COLOURS & SOUNDS ablaze, adjectiveacoustic, adjectiveacoustics, nounaglow, adjectivebaa, verbbabble, verbbabble, nounbabel, nounbaby talk, nounbackfire, verbbackground, nounbang, nounbang, verbbang, interjectionbark, verbbark, nounbattle cry, nounbay, verbbeat, verbbeat, nounbellow, verbbellow, nounblare, verbblast, nounbleat, verbbleep, nounbleep, verbblip, nounbong, nounboom, nounboom, verbbowwow, interjectionbrassy, adjectivebray, verbbrazen, adjectivebreathy, adjectivebubble, verbbump, nounchatter, verbchatter, nounclink, verbclink, nouncrack, verbcrack, nouncrackle, verbcrackling, nouncrash, verbcrash, nouncreak, verbcreaky, adjectivecroak, verbcroak, nouncrow, nouncrow, verbcrunch, nouncrunch, verbding-dong, noundiscord, noundiscordant, adjectivedrone, verbdrone, noundrown, verbdrum, verbdrumbeat, noundrumming, noundull, adjectiveecho, verbecho, nounfizz, verbflat, adjectivefootfall, nounfootstep, nounfusillade, noungrinding, adjectivegroan, verbgroan, noungrunt, verbgrunt, nounguffaw, verbgunshot, nounguttural, adjectivehigh, adjectivehigh, adverbhiss, verbindistinct, adjectiveirregular, adjectivelow, verbmarbled, adjectivematching, adjectivemellow, adjectivemelodic, adjectivemelodious, adjectivemetallic, adjectivemoan, verbmoan, nounmodulate, verbmonotone, nounmoo, verbmurmur, verbmurmur, nounmusical, adjectivemusically, adverbmute, verbnasal, adjectivenoise, nounoink, interjectionoof, interjectionpatter, verbpatter, nounpeal, nounpeal, verbpenetrating, adjectivepercussion, nounpsychedelic, adjectivepulse, nounputter, verbquack, verbquack, nounquaver, nounracket, nounrasp, verbrasp, nounraspberry, nounrat-a-tat, nounrattle, nounraucous, adjectivereedy, adjectivereport, nounresonance, nounresonant, adjectiveresonate, verbresonator, nounresound, verbresounding, adjectivereverberate, verbreverberation, nounrich, adjectivering, nounring, verbringing, adjectiveripple, verbripple, nounroar, nounroaring, adjectiveroll, verbrough, adjectiverustle, verbrustle, nounscratch, verbscratch, nounscream, verbscream, nounscrunch, verbsmoky, adjectivesnarl, verbsoft, adjectivesoft-spoken, adjectivesonorous, adjectivesotto voce, adverbsplosh, verbsweet, adjectiveswoosh, verbtick-tock, nountinny, adjectivetonal, adjectivevivid, adjectivevowel, nounwail, verbweak, adjectivewhack, nounwham, interjectionwhine, verbwhinny, verbwhirr, verbwhistle, verbwhistle, nounyelp, nounyowl, verbzoom, noun Collocations COLLOCATIONS FROM OTHER ENTRIES► a duck quacks (=makes the sound ducks make)· The ducks on the river started quacking. 1the sound a duck makes2someone who pretends to be a doctor – used to show disapproval → quackery:  quacks selling weight-loss drugs3British English informal a doctor:  You’d better go and see the quack with that burn. quack1 verbquack2 nounquack3 adjective quackquack3 adjective [only before noun] Examples EXAMPLES FROM OTHER DICTIONARIES a quack remedy for colds EXAMPLES FROM THE CORPUS Many of those quack doctors were busy selling their own, often more dangerous diet cures. Collocations COLLOCATIONS FROM OTHER ENTRIES► a duck quacks (=makes the sound ducks make)· The ducks on the river started quacking. relating to the activities or medicines of someone who pretends to be a doctor → quackery:  a quack remedy
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