单词	jack-knife
释义	jack-knife1 nounjack-knife2 verb jack-knifeˈjack-knife1 noun (plural jack-knives) [countable] 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 1a knife with a blade that folds into its handle2a dive in which you bend at the waist when you are in the air jack-knife1 nounjack-knife2 verb jack-knifejack-knife2 verb [intransitive] Verb Table VERB TABLE jack-knife Simple Form Present I, you, we, they jack-knife he, she, it jack-knifes Past I, you, he, she, it, we, they jack-knifed Present perfect I, you, we, they have jack-knifed he, she, it has jack-knifed Past perfect I, you, he, she, it, we, they had jack-knifed Future I, you, he, she, it, we, they will jack-knife Future perfect I, you, he, she, it, we, they will have jack-knifed Continuous Form Present I am jack-knifing he, she, it is jack-knifing you, we, they are jack-knifing Past I, he, she, it was jack-knifing you, we, they were jack-knifing Present perfect I, you, we, they have been jack-knifing he, she, it has been jack-knifing Past perfect I, you, he, she, it, we, they had been jack-knifing Future I, you, he, she, it, we, they will be jack-knifing Future perfect I, you, he, she, it, we, they will have been jack-knifing word sets WORD SETS► Motor Vehicles ABS, nounacceleration, nounaccelerator, nounairbag, nounambulance, nounantifreeze, nounanti-lock braking system, nounaquaplane, verbarmoured car, nounarticulated, adjectiveauto, nounautomatic, nounautomatic transmission, nounautomobile, nounaxle, nounbackfire, verbback seat, nounbanger, nounbeater, nounbeep, verbbike, nounbiker, nounblind spot, nounblow, verbblowout, nounbody, nounbodywork, nounbonnet, nounbookmobile, nounboot, nounboot, verbbreakdown truck, nounbrights, nounbroadside, verbbulldozer, nounbumper, nounbumper sticker, nounbus, nounbus, verbbus pass, nounbus station, nouncab, nouncab rank, nouncabriolet, nouncabstand, nounCadillac, nouncar, nouncar alarm, nouncarburettor, nouncar park, nouncar pool, nouncarport, nouncarrier, nouncar wash, nounCaterpillar, nouncentral locking, nounchange, verbcharabanc, nounchoke, nounclamp, nounclunker, nouncoach station, nouncoachwork, nouncockpit, nouncompact, nouncompany car, nounconvertible, nouncorner, verbcoupé, nouncourtesy, adjectivecover note, nouncrack-up, nouncrankshaft, nouncrash helmet, nouncruise, verbcruise control, nouncruiser, nouncycle, noundashboard, noundefog, verbdefrost, verbdemist, verbdepot, noundesignated driver, noundiesel, noundiesel fuel, noundifferential gear, noundipstick, noundirt bike, noundirt track, noundisc brakes, noundisengage, verbdismount, verbdistributor, noundouble-decker, noundouble-park, verbdrag race, noundragster, noundrink-driving, noundrive, verbdrive, noundriver, noundriver's education, noundriver's license, noundrive shaft, noundrive-through, noundriving licence, noundriving school, noundriving test, noundrunk driving, noundump truck, noundune buggy, noundust cart, nounemergency brake, nounestate car, nounexcavator, nounexpress, nounfan belt, nounfare, nounfender, nounfender-bender, nounfiller cap, nounfilling station, nounfilter, nounfilter, verbfin, nounfire, verbfire engine, nounfirst gear, nounfishtail, verbflat, adjectiveflat, nounfloorboard, nounfog lamp, nounfour-star, nounfour-wheel drive, nounfreewheel, verbfuel injection, nounfull lock, noungarage, noungarage, verbgarbage truck, noungas-guzzler, noungasohol, noungasoline, noungas pedal, noungas station, noungear, noungearbox, noungear lever, noungear shift, noungear stick, nounglove compartment, noungo-cart, noungo-kart, noungreen light, noungrille, noungritter, nounguardrail, nounhack, nounhackney carriage, nounhandbrake, nounhandlebars, nounhatchback, nounhaulage, nounhazard lights, nounheadlamp, nounheadlight, nounheadroom, nounheap, nounhearse, nounheavy goods vehicle, nounHGV, nounhigh beams, nounhigh-octane, adjectiveHighway Code, nounhijacking, nounhit-and-run, adjectivehitchhike, verbhonk, nounhonk, verbhood, nounhoot, nounhoot, verbhopped-up, adjectivehorsebox, nounhorse trailer, nounhot rod, nounhot-wire, verbhubcap, nounhydroplane, verbignition, nounindicate, verbindicator, nouninner tube, nouninternal combustion engine, nounjack-knife, verbjalopy, nounJeep, nounjuggernaut, nounjump, verbjumper cables, nounjump leads, nounjump-start, verbkickstand, nounkick-start, verbkick-start, nounKlaxon, nounlead-free, adjectivelearner's permit, nounleft-hand drive, adjectivelicense plate, nounlight, nounlimo, nounlimousine, nounlocal, nounlock, verblock, nounlog book, nounlorry, nounlow gear, nounL-plate, nounmagneto, nounmanifold, nounmechanic, nounmeter maid, nounmileage, nounmileometer, nounmilk float, nounminibus, nounminicab, nounminivan, nounmisfire, verbmoped, nounMOT, nounmotocross, nounmotor, nounmotor, adjectivemotor, verbmotorbike, nounmotorcade, nounmotor car, nounmotorcycle, nounmotor home, nounmotoring, nounmotorist, nounmotorized, adjectivemotor pool, nounmotor racing, nounmotor scooter, nounmotor vehicle, nounmoving van, nounmpg, muffler, nounmulti-storey, nounnearside, adjectiveneutral, nounnumber plate, nounoctane, nounodometer, nounomnibus, nounoverdrive, nounovershoot, verbpanel, nounpanel truck, nounpantechnicon, nounpark, verbpark and ride, nounparking, nounparking brake, nounparking garage, nounparking light, nounparking lot, nounparking meter, nounparking ticket, nounpassenger seat, nounpatrol car, nounpatrolman, nounpedal, nounpenalty point, nounpetrol station, nounpick-up, nounpick-up truck, nounpillion, nounpiston ring, nounpit, nounplate, nounplug, nounpneumatic, adjectivepound, nounpower steering, nounprang, verbpremium, nounprovisional licence, nounpush-start, verbrace, verbrace car, nounracing car, nounradar trap, nounradial tyre, nounradiator, nounrank, nounrearview mirror, nounrefuel, verbreg., registration, nounregistration number, nounregular, nounremould, nounremoval van, nounrespray, verbrestraint, nounretread, nounrev, verbreverse, verbreverse, nounreverse gear, nounreversing light, nounride, nounrig, nounright-hand drive, adjectiveroad hog, nounroad rage, nounroad test, nounroadworthy, adjectiveRolls-Royce, nounroof-rack, nounrun, verbrun, nounrunabout, nounRV, nounsaloon, nounsalt truck, nounscooter, nounseat belt, nounsedan, nounself-drive, adjectiveshaft, nounshift, verbshock absorber, nounsidecar, nounsidelight, nounsideswipe, verbsilencer, nounsill, nounslick, nounslipstream, nounsnarl, verbsnarl-up, nounsnow chains, nounsnowmobile, nounsnow plough, nounsnow tire, nounsouped-up, adjectivespare, nounspare tyre, nounsparking plug, nounspark plug, nounspeedometer, nounspeed trap, nounspeedway, nounsplash guard, nounspoiler, nounsports car, nounstall, nounstart, verbstarter, nounstarter motor, nounstation wagon, nounsteamroller, nounsteering, nounstick, nounstick shift, nounstretch limo, nounsump, nounsunroof, nounsupercharged, adjectivesuspension, nountachograph, nountachometer, nountailback, nountailboard, nountailgate, nountailgate, verbtail light, nountailpipe, nountax disc, nountaxi, nountaxicab, nounteamster, nountest certificate, nountest drive, nounthree-point turn, nounthree-wheeler, nounthrottle, nounthrust, nounticket, nountie-up, nountotal, verbtowbar, nountowline, nountowtruck, nountractor, nountraffic jam, nountransmission, nountransporter, nountread, nountrolley, nountrolleybus, nountrucker, nountrucking, nountrunk, nountune, verbtune-up, nounturbocharger, nounturning circle, nounturn signal, nountwo-stroke, adjectiveunleaded, adjectivevalet, nounvalet, verbvan, nounvanity plate, nounveteran car, nounvintage car, nounvisor, nounwheelbase, nounwheel clamp, nounwhiplash, nounwhitewall, nounwindscreen, nounwindscreen wiper, nounwindshield wiper, nounwing, nounwing mirror, nounwiper, nounwreck, nounwrecker, nounwrite-off, noun if a large vehicle with two parts jack-knifes, it slides out of control and the back part swings towards the front part:  The truck skidded on the ice and jack-knifed.
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