| 释义 |
roll back
roll R0287400 (rōl)v. rolled, roll·ing, rolls v.intr.1. To move forward along a surface by revolving on an axis or by repeatedly turning over.2. To travel or be moved on wheels or rollers: rolled down the sidewalk on their scooters.3. To travel around; wander: roll from town to town.4. a. To travel or be carried in a vehicle.b. To be carried on a stream: The logs rolled down the cascading river.5. a. To start to move or operate: The press wouldn't roll.b. To work or succeed in a sustained way; gain momentum: The political campaign finally began to roll.6. To go by; elapse: The days rolled along.7. To recur. Often used with around: Summer has rolled around again.8. To move in a periodic revolution, as a planet in its orbit.9. To turn over and over: The puppy rolled in the mud.10. To shift the gaze usually quickly and continually: The child's eyes rolled with fright.11. To turn around or revolve on an axis.12. To move or advance with a rising and falling motion; undulate: The waves rolled toward shore.13. To extend or appear to extend in gentle rises and falls: The dunes roll to the sea.14. To move or rock from side to side: The ship pitched and rolled in heavy seas.15. To walk with a swaying, unsteady motion.16. Slang To experience periodic rushes after taking an intoxicating drug, especially MDMA.17. To take the shape of a ball or cylinder: Yarn rolls easily.18. To become flattened by pressure applied by a roller.19. To make a deep, prolonged, surging sound: Thunder rolled in the distance.20. To make a sustained trilling sound, as certain birds do.21. To beat a drum in a continuous series of short blows.22. To pour, flow, or move in a continual stream: tourists rolling into the city.23. To enjoy ample amounts: rolled in the money.v.tr.1. To cause to move forward along a surface by revolving on an axis or by repeatedly turning over.2. To move or push along on wheels or rollers: rolled the plane out of the hangar.3. To impel or send onward in a steady, swelling motion: The sea rolls its waves onto the sand.4. To impart a swaying, rocking motion to: Heavy seas rolled the ship.5. To turn around or partly turn around; rotate: rolled his head toward the door.6. To cause to begin moving or operating: roll the cameras; roll the presses.7. To extend or lay out: rolled out a long rope.8. To pronounce or utter with a trill: You must roll your r's in Spanish.9. To utter or emit in full, swelling tones.10. To beat (a drum) with a continuous series of short blows.11. To wrap (something) round and round upon itself or around something else. Often used with up: roll up a poster.12. a. To envelop or enfold in a covering: roll dirty laundry in a sheet.b. To make by shaping into a ball or cylinder: roll a cigarette.13. To spread, compress, or flatten by applying pressure with a roller: roll pastry dough.14. Printing To apply ink to (type) with a roller or rollers.15. Games To throw (dice), as in craps.16. Slang To rob (a drunken, sleeping, or otherwise helpless person).n.1. The act or an instance of rolling.2. Something rolled up: a roll of tape.3. A quantity, as of cloth or wallpaper, rolled into a cylinder and often considered as a unit of measure.4. A piece of parchment or paper that may be or is rolled up; a scroll.5. A register or a catalogue.6. A list of names of persons belonging to a group.7. A mass in cylindrical or rounded form: a roll of tobacco.8. a. A small loaf of bread, portioned for one individual and often served as a side dish or appetizer or used to make a sandwich.b. A portion of food wrapped around a filling: cinnamon roll; sushi roll.9. A rolling, swaying, or rocking motion.10. A gentle swell or undulation of a surface: the roll of the plains.11. A deep reverberation or rumble: the roll of thunder.12. A rapid succession of short sounds: the roll of a drum.13. A trill: the roll of his r's.14. A resonant, rhythmical flow of words.15. A roller, especially a cylinder on which to roll something up or with which to flatten something.16. a. An amount of rotation around a longitudinal axis, as of an aircraft or boat.b. A maneuver in which an airplane makes a single complete rotation about its longitudinal axis without changing direction or losing altitude.17. Slang Money, especially a wad of paper money.Phrasal Verbs: roll back1. To reduce (prices or wages, for example) to a previous lower level.2. To cause to turn back or retreat. roll out1. To get out of bed.2. To initiate or produce for the first time; introduce: roll out a new product line.3. Football To execute a rollout. roll over1. To defer or postpone payment of (an obligation).2. To renegotiate the terms of (a financial deal).3. To reinvest (funds from a maturing security or from a tax-deferred account) into a similar security or account. roll up1. To arrive in a vehicle.2. To accumulate; amass: rolled up quite a fortune.3. To destroy or eliminate by military action: "Give him some infantry and he would roll up the enemy flank" (Brooks D. Simpson).Idioms: on a roll Informal Undergoing or experiencing sustained, even increasing good fortune or success: "The stock market's on a roll" (Karen Pennar). roll in the hay Slang Sexual intercourse. roll the bones Games To cast dice, especially in craps. roll with the punches Slang To cope with and withstand adversity, especially by being flexible.
[Middle English rollen, from Old French roler, from Vulgar Latin *rotulāre, from Latin rotula, diminutive of rota, wheel; see ret- in Indo-European roots.]roll backThe process of progressive destruction and/or neutralization of the opposing defenses, starting at the periphery and working inward, to permit deeper penetration of succeeding defense positions.Translations
roll back
roll back1. verb To reduce, limit, decrease, or devalue something, or reset something to a previous level or status. A noun or or pronoun can be used between "roll" and "back." The new administration has been slowly rolling back regulatory legislation. If you roll your prices back, it will be much harder to raise them again without a lot of customer complaints.2. noun A reduction, limit, decrease, or devaluation of something, or a reset of something to a previous level or status. In this usage, the phrase is usually hyphenated. The roll-back of regulatory legislation has angered many consumer groups. This price roll-back should make our customers happy.See also: back, rollroll something backto return something to someone by rotating it, as with a wheel or a ball, or moving it back on wheels. I intercepted the ball and rolled it back. Jane rolled back the ball.See also: back, rollroll back[for something] to return, rotating or turning or moving on wheels. I rolled the ball away, thinking it would roll back. It didn't. I struck the golf ball out of the sand trap, but it rolled back.See also: back, rollroll prices backFig. to reduce prices. The store rolled all its prices back for the sale. The protesters demanded that the big oil companies roll back their prices.See also: back, price, rollroll backDecrease, cut back, or reduce, especially prices, as in Unless they roll back oil prices, this summer's tourist traffic will be half of last year's . [c. 1940] See also: back, rollroll backv.1. To reduce the power or influence of something: The government tried to roll back the growing student movement. When the union achieved a more powerful position, management tried to roll it back.2. To reduce something, as a price or value, to a previous lower level: We had to roll back prices to compete with the discount stores. After the store owner raised prices on toasters, no one bought them, so she had to roll them back.See also: back, rollEncyclopediaSeerollLegalSeeRollRoll Back
Roll BackTo sell an option position and buy another with the same underlying asset and strike price, but with an earlier expiration date. One may also call this rolling backward.AcronymsSeerubidium |