单词	clamp
释义	clamp1 verbclamp2 noun clampclamp1 /klæmp/ verb [transitive] Verb Table VERB TABLE clamp Simple Form Present I, you, we, they clamp he, she, it clamps Past I, you, he, she, it, we, they clamped Present perfect I, you, we, they have clamped he, she, it has clamped Past perfect I, you, he, she, it, we, they had clamped Future I, you, he, she, it, we, they will clamp Future perfect I, you, he, she, it, we, they will have clamped Continuous Form Present I am clamping he, she, it is clamping you, we, they are clamping Past I, he, she, it was clamping you, we, they were clamping Present perfect I, you, we, they have been clamping he, she, it has been clamping Past perfect I, you, he, she, it, we, they had been clamping Future I, you, he, she, it, we, they will be clamping Future perfect I, you, he, she, it, we, they will have been clamping Examples EXAMPLES FROM THE CORPUS As she did so, a rusty trap sprang shut, clamping her left foot. But as she reached the door, one hand on the door-handle, suddenly an iron band clamped round her arm. He clamped his mouth shut, agitated. Leaks from Clinton's team suggest Democrats may clamp down on the massive amounts executives can earn. The impulse to shout can be inhibited by clamping the upper chest so that breathing becomes shallow and energy is dampened. The resident here has clamped his opponent and is lifting him away from the tunnel entrance. Then a large warm hand clamped over her own fumbling fingers and gently removed them so that he could work the latch. Thesaurus Longman Language Activatorto stop something bad or illegal that people are doing► stop · We must take action to stop this illegal trade in ivory.· All the staff are determined to stop bullying in the school.stop somebody from doing something · The new measures are intended to stop troublemakers from travelling abroad to football matches. ► put a stop to to stop an activity, especially one that you consider to be harmful or unacceptable: · Using children in this way is pure exploitation, and it's time we put a stop to it!· She knew that if she didn't put a stop to their squabbling now, it could go on for weeks. ► stamp out to completely stop an illegal or harmful activity: · The police have introduced new measures to help stamp out violence on the city's streets.· We are determined to stamp out prostitution in this neighborhood. ► crack down on to take severe action to stop an illegal activity: · The authorities are determined to crack down on terrorism.· Teachers must crack down on bullying as soon as they become aware of it.· Only by cracking down on dealers, can we stop young people getting involved with drugs. ► call a halt to to officially order that an activity should be stopped, especially after it has continued for a long time: · The government has called a halt to the exporting of live animals.· Companies must call a halt to the dumping of toxic waste at sea. ► clamp down on if someone in authority clamps down on an activity or group of people, they take firm action to stop something that is illegal or against the rules: · The new, tougher laws are intended clamp down on the carrying of knives and other weapons.· If we don't clamp down on these troublemakers now, the situation could get out of control. ► curb to prevent something harmful from increasing and start to control and reduce it: · The only way to curb the spread of the disease is by immunizing the entire population.· The government is introducing new measures aimed at curbing inflation. to deal very strictly with bad behaviour or crime► come down hard on to deal very strictly with a bad behaviour or crime by punishing people severely for it: · You'll find that Mr Evans comes down very hard on people who don't do their job properly.· The authorities are really coming down hard on tax evasion. ► crack down on to start dealing with an illegal activity in a much stricter way than before: · The Athletics Federation plans to crack down on drug and steroid abuse by athletes.· The government has promised to crack down on crime.· City authorities were quick to crack down on the rioters. ► clamp down on to treat a particular crime or activity much more strictly than before to stop it from becoming more common: · New laws will clamp down on the illegal smuggling of cigarettes and tobacco.· Recently the courts have clamped down on joy-riding. ► tighten up to make rules, laws, or controls more strict so that it is harder for people to break them: · The prime minister has promised to tighten up the law on carbon dioxide emissions.tighten up on: · The music industry is determined to tighten up on the illegal copying of CDs. Collocations COLLOCATIONS FROM THE ENTRY► clamped ... shut  Creed opened his mouth to speak, then clamped it shut. COLLOCATIONS FROM THE CORPUSNOUN► hand · Then a large warm hand clamped over her own fumbling fingers and gently removed them so that he could work the latch.· A large hand clamped down over his mouth.· Her faint scream of shock was abruptly stifled by a hand clamped over her mouth.· Her hand trembled and she clamped it hard against her chest until the attack of nerves had subsided a little.· His hand clamped around the clever boy's neck. ► mouth · Her faint scream of shock was abruptly stifled by a hand clamped over her mouth.· A large hand clamped down over his mouth.· I remember this and smile, clamping my mouth shut as Wiggen goes into action.· Then I clamped my mouth shut again.· The celebrated comedian had a cigar clamped in his mouth.· With that, Professor Bruck stopped and clamped his mouth shut for a moment.· Then Mavis watched Gordy clamp his mouth shut and crane his neck toward the back of the crowd.· He clamped his mouth shut, agitated. 1[always + adverb/preposition] to put or hold something in a position so that it cannot move:  She clamped her hands over her ears. Creed opened his mouth to speak, then clamped it shut.2clamp sanctions/restrictions etc on somebody to put limits on what someone is allowed to do:  The president clamped sanctions on the island after the bomb attack.3[always + adverb/preposition] to hold two things together using a clamp:  Clamp the two parts together until the glue dries.4 (also wheel-clamp) British English to put a clamp on the wheel of a car so that the car cannot be driven away. This is usually done because the car is illegally parked SYN boot American English:  He returned, only to discover his car had been clamped.GRAMMAR Clamp is usually passive in this meaning.clamp down phrasal verb to take firm action to stop a particular type of crime → clampdownclamp down on The police are clamping down on drink-driving offenders. clamp1 verbclamp2 noun clampclamp2 noun [countable] Word Origin WORD ORIGINclamp2 Origin: 1400-1500 Probably from an unrecorded Middle Dutch klampe Examples EXAMPLES FROM THE CORPUS A web clamp is useful for holding frames together while the glue sets. It was stacked with the usual assortment of crates and containers, impregnable behind an ingenious array of clamps and locks. Miguel had a clamp in the glove compartment. This can usually be accomplished from ground level with a variety of hooks, shovels and clamps attached to long poles. You will also find them useful for other jobs that need a small locking clamp. word sets WORD SETS► DAILY LIFE AC, accessory, nounadapter, nounaerosol, nounalarm, nounarm, nounash, nounattaché case, nounbag, nounbar, nounbarrel, nounbeep, verbbeeswax, nounbell, nounbelly, nounbelt, nounbench, nounbenzine, nounbinding, nounbiro, nounbolt, nounbooth, nounbox, nounbox, verbbrad, nounbriefcase, nounbristle, nounbrolly, nounbrush, nounbucket, nounbuckle, nounbuffer, nounbulb, nounBulldog clip, nounbulletin board, nounbullhorn, nounbung, nounbunting, nounbusiness card, nounbutt, nounbutton, nounbuzzer, nouncable, nouncalling card, nouncan, nouncandle, nouncane, nouncarbon, nouncarbon copy, nouncarbon paper, nouncard, nouncardboard, nouncardboard, adjectivecardboard cut-out, nouncard catalog, nouncarrier, nouncarrier bag, nouncarryall, nouncart, nouncarton, nouncartridge, nouncase, nouncaster, nouncatch, nounCellophane, nouncesspit, nounchain, nounchalice, nounchannel, nounchart, nounchute, nouncitronella, nounclamp, nouncleat, nounclip, nounclipboard, nouncomb, nouncombination lock, nouncompartment, nouncord, nouncrank, nouncrate, nouncrepe paper, nouncycle, noundetector, noundial, noundigital, adjectivedisposable, adjectivedrape, verbdrawing pin, noundryer, noundurable goods, nounDurex, nounearplug, nounelastic band, nouneraser, nouneyelet, nounfabric, nounfelt-tip pen, nounfemale, adjectivefence, nounfiberglass, nounfibreglass, nounfigurine, nounfilament, nounfile, verbFilofax, nounfire extinguisher, nounfirewood, nounfitness, nounflag, nounflagon, nounflagstaff, nounflashlight, nounflat, adjectivefloodlight, nounfoam, nounfoam, verbfog, verbfolder, nounfoolscap, nounforecourt, nounfountain, nounfountain pen, nounframe, nounfunnel, nounfuse, noungadget, noungadgetry, noungargle, verbgas, nounglue, noungoggles, noungold card, noungranny knot, noungravel, noungravelled, adjectivegravelly, adjectivegrease, noungreetings card, noungrommet, noungum, noungun, noungunnysack, noungut, nounhand-held, adjectivehandle, nounhandloom, nounharness, nounhasp, nounhealth, nounhessian, nounhinge, nounhip, nounhoarding, nounhoist, nounholder, nounhook, nounhoop, nounhooter, nounhose, nounhosepipe, nounhub, nounhygiene, nounhygienic, adjectiveillness, nounindented, adjectiveinflatable, adjectiveingrained, adjectiveink, nouninn, nouninnkeeper, nouninsoluble, adjectiveivory, nounjacket, nounjack-knife, nounjoss stick, nounjuggle, verbkey, nounkeypad, nounkey ring, nounKleenex, nounknife, nounknob, nounlabel, nounladder, nounlantern, nounlatch, nounlatchkey, nounlather, nounlather, verbLCD, nounlead, nounlectern, nounlegal pad, nounlens, nounletterbox, nounlever, nounlibrary, nounlid, nounlidded, adjectivelift, nounlight, nounlight bulb, nounlink, nounlinseed oil, nounlitter bin, nounlock, nounlodestone, nounlog, nounloop, verblost property, nounmagnet, nounmagnetic, adjectivemagnifying glass, nounmale, adjectivemantle, nounmanual, adjectivemarker, nounmarker pen, nounmarket day, nounmast, nounmastic, nounmatchstick, nounmaterial, nounmeter, nounmeths, nounmode, nounmortar, nounmortise lock, nounmould, nounmounting, nounmovement, nounnail, nounnameplate, nounnet, nounnib, nounnipple, nounnon-standard, adjectivenoose, nounnotebook, nounnotepad, nounnoticeboard, nounnozzle, nounnut, nounoil, verboilcan, nounoily, adjectiveorb, nounoutfit, nounoutlet, nounovernight, adverbpack, verbpackage, nounpad, nounpad, verbpadlock, nounpaintwork, nounpantyliner, nounpaper, nounpaperclip, nounpasserby, nounpaste, verbpasteboard, nounpatron, nounpatronage, nounpatronize, verbpattern, nounpaving, nounpearl, nounpen, nounpenknife, nounpicket fence, nounpillbox, nounpince-nez, nounpinhead, nounpipe, nounpix, nounpizza parlor, nounplug, nounpocket, nounpocketbook, nounpocket calculator, nounpocket knife, nounpointer, nounpoison, nounpole, nounportfolio, nounPost-it, nounpowder, nounpowdered, adjectivepropellant, nounpropelling pencil, nounpump-action, adjectivePX, nounquarter, verbrack, nounreceptionist, nounreel, nounrefill, nounreflector, nounrefrigerate, verbregimen, nounreservation, nounreserve, verbsachet, nounsack, nounscratchpad, nounscratch paper, nounscreen, nounsealant, nounsealer, nounsearchlight, nounseason ticket, nounseat, nounself-assembly, adjectiveseptic tank, nounservice, nounservice, verbsetting, nounshade, nounsharpener, nounshovel, nounshovel, verbshovelful, nounsilver paper, nounsiphon, nounslat, nounslice, verbslot machine, nounslug, nounsmoke, nounsoot, nounsort, nounspare part, nounspigot, nounsponge, nounspool, nounspout, nounspray, nounspray can, nounspray paint, nounspring, nounstaff, nounstake, nounstalk, nounstandard, nounstaple, nounstapler, nounstationery, nounsteam, nounsteam clean, verbsteel, nounsteel wool, nounstepladder, nounstick, verbstick, nounsticker, nounstilt, nounstopper, nounstorm lantern, nounstrap, nounstreamer, nounstring, nounstub, nounsucker, nounSuperglue, nounswipe, verbswitch, nounswivel, nountab, nountack, nountag, nountag, verbtank, nountap, nountape, nountassel, nountattle, verbtea break, nounthong, nounthread, nountime-saving, adjectivetinder, nountinderbox, nountissue, nountop, nountote bag, nountowel, verbtray, nountrolley, nountube, nountubing, nountwine, nountwo-way mirror, nounumbrella, nounvent, nounvial, nounwaiting room, nounwasher, nounwaste paper, nounwatch, nounwaterspout, nounwheeled, adjectivewhistle, verbwooden, adjectivewriting paper, noun Collocations COLLOCATIONS FROM THE CORPUSNOUN► wheel · The other suggestions included statutory licensing of wheel clamp operators and statutory licensing of land on which wheel clamps may be used. 1a piece of equipment for holding things together2 (also wheel clamp) British English a metal object that is fastened to the wheel of a car so that the car cannot be driven away. This is usually done because the car is illegally parked SYN boot American English
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