| 单词 | bolt |
| 释义 | bolt (once / 294 pages) 1nv 2n 3vn 4nv 5adv We love words that sound like what they mean, and bolt is no exception. It's a quick, sharp word that either means to move quickly or refers to a stroke of lightning, as in "lightning bolt." The god Zeus was fond of tossing bolts of lightning down upon mortals who angered him. If you were one of those mortals, you'd have been smart to bolt inside as soon as the rain began. To bolt is to run as quickly as you can. Racehorses are often described as bolting out of the gate. Other uses of bolt include the lock in your door, the act of locking that lock, and what a dog does when it gulps down his food. WORD FAMILYbolt: bolted, bolting, bolts, unbolt+/unbolt: unbolted, unbolting, unbolts USAGE EXAMPLESIn the athletic competition, Jamaican sprinter Usain Bolt becomes the first athlete ever to win the men’s 100-meter final wearing flip-flops. Washington Post(Dec 29, 2016) Sitting bolt upright, laboring to breathe, was the poet Robert Lowell. The New Yorker(Jan 01, 2017) Bolt then tweeted to confirm it was indeed him, with Henry replying to him apologising and telling him to call again soon. The Guardian(Dec 31, 2016) 1 1n a screw that screws into a nut to form a fastener Hypo|Hyper carriage bolt a roundheaded bolt for timber; threaded along part of the shank; inserted into holes already drilled expansion bolta bolt that has an attachment that expands as the bolt is driven into a surface kingbolt, kingpin, swivel pinbolt that provides a steering joint in a motor vehicle machine bolta bolt with a square or hexagonal head on one end and a threaded shaft on the other end; tightened with a wrench; used to connect metal parts stove bolta small machine bolt screw a fastener with a tapered threaded shank and a slotted head 2n the part of a lock that is engaged or withdrawn with a key Syn|Hypo|Hyper deadbolt safety bolt, safety lock a bolt that cannot be moved from outside the door or gate bar a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon 3n a sliding bar in a breech-loading firearm that ejects an empty cartridge and replaces it and closes the breech Hyper bar a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon 4v secure or lock with a bolt 2bolt the door Ant|Hyper unbolt undo the bolt of lock fasten with a lock n a discharge of lightning accompanied by thunder 3Syn|Hyper bolt of lightning, thunderbolt lightning abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light 1v move or jump suddenly She bolted from her seat Hyper move move so as to change position, perform a nontranslational motion 2v leave suddenly and as if in a hurry The listeners bolted when he discussed his strange ideas Syn|Hyper beetle off, bolt out, run off, run out go away, go forth, leave go away from a place 3v run away; usually includes taking something or somebody along Syn|Hypo|Hyper abscond, absquatulate, decamp, go off, make off, run off levant run off without paying a debt flee, fly, take flight run away quickly 4v eat hastily without proper chewing Don't bolt your food! Syn|Hyper gobble eat take in solid food 5v swallow hastily Hyper get down, swallow pass through the esophagus as part of eating or drinking 6n the act of moving with great haste Syn|Hyper dash haste, hurry, rush, rushing the act of moving hurriedly and in a careless manner 7n a sudden abandonment (as from a political party) 4Hyper abandonment, desertion, forsaking the act of giving something up 1n a roll of cloth or wallpaper of a definite length Hyper roll anything rolled up in cylindrical form 2v make or roll into bolts 5bolt fabric Hyper furl, roll up form into a cylinder by rolling 1adv in a rigid manner he sat bolt upright Syn rigidly, stiffly 2adv directly Syn bang, slap, slapdash, smack |
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