单词	overhaul
释义	overhaul1 verboverhaul2 noun overhaulo‧ver‧haul1 /ˌəʊvəˈhɔːl $ ˌoʊvərˈhɒːl/ verb [transitive] Word Origin WORD ORIGINoverhaul1 Origin: 1700-1800 overhaul ‘to make (a rope) loose by pulling it back’ (17-19 centuries) Verb Table VERB TABLE overhaul Simple Form Present I, you, we, they overhaul he, she, it overhauls Past I, you, he, she, it, we, they overhauled Present perfect I, you, we, they have overhauled he, she, it has overhauled Past perfect I, you, he, she, it, we, they had overhauled Future I, you, he, she, it, we, they will overhaul Future perfect I, you, he, she, it, we, they will have overhauled Continuous Form Present I am overhauling he, she, it is overhauling you, we, they are overhauling Past I, he, she, it was overhauling you, we, they were overhauling Present perfect I, you, we, they have been overhauling he, she, it has been overhauling Past perfect I, you, he, she, it, we, they had been overhauling Future I, you, he, she, it, we, they will be overhauling Future perfect I, you, he, she, it, we, they will have been overhauling Examples EXAMPLES FROM OTHER DICTIONARIES All the electrical wiring in the house was being completely overhauled because of the risk of fire. An engineer is coming in to overhaul the air conditioning. The engine has been overhauled and runs much more smoothly now. They promised to reduce taxes and overhaul the whole welfare system. EXAMPLES FROM THE CORPUS A bipartisan reauthorization bill to overhaul the act, authored by Sen. But tire makers have also overhauled their business. Dole spent much of the day trying to demonstrate how he has overhauled his campaign to conform to his populist message. He would overhaul rallying, remove the controversy from Formula One and re-design the sportscar championships. In Aischines' time, and precisely in 357, Euboulos' government had overhauled the system of naval finance and administration. Is there a firm that can overhaul the self levelling unit as fitted to the Range Rover? Relentlessly, the gazelle is overhauled. Tommy Thompson to radically overhaul welfare. Thesaurus Longman Language Activatorto repair something that is broken or damaged► repair if you repair something that is broken or not working properly, you work on it so that it is in good condition again: · Builders spent several weeks repairing the roof.· The plane was too badly damaged to be repaired.get/have something repaired (=pay someone else to repair it): · How much will it cost to have the TV repaired? ► fix to repair a machine or piece of equipment that is broken or not working properly: · I'll need to fix the boat before we can go out in it.get/have something fixed (=pay someone else to fix it): · I must get my camera fixed before we go to France. ► mend to repair something that is broken or not working, or something that has a hole in it. In American English mend is usually used about clothing: · The children are taught to mend their own clothes.· I called a service engineer in to mend the lift. ► patch up to repair something that has a hole in quickly and not very thoroughly so that it is good enough to be used again for a short period of time: patch up something: · We managed to patch up the roof enough to stop it leaking.patch something up: · The boat's got a hole in the side, but I'm just going to try and patch it up for now. ► overhaul to thoroughly examine a machine, vehicle, or piece of equipment and repair it if necessary: · The engine has been overhauled and runs much more smoothly now.completely overhaul: · All the electrical wiring in the house was being completely overhauled because of the risk of fire. ► service to examine a vehicle or machine, especially at fixed regular times, and repair it if necessary: · All our machinery is serviced regularly.· When was the plane last serviced?have something serviced (=pay someone else to service it): · You should have your car serviced every six months. Collocations COLLOCATIONS FROM OTHER ENTRIES► a radical overhaul (=big changes in order to improve something)· government plans for a radical overhaul of the health care system COLLOCATIONS FROM THE CORPUSNOUN► system · In Aischines' time, and precisely in 357, Euboulos' government had overhauled the system of naval finance and administration.· Neither are attempts to overhaul the system.· A substantial majority supported overhauling both systems.· Lamberth ordered the government to overhaul the trust fund system. 1to repair or change the necessary parts in a machine, system etc that is not working correctly:  A mechanic is coming to overhaul the engine.2to change a system or method in order to improve it:  All the community’s decision-making institutions need to be overhauled. overhaul1 verboverhaul2 noun overhaulo‧ver‧haul2 /ˈəʊvəhɔːl $ ˈoʊvərhɒːl/ noun [countable] Examples EXAMPLES FROM OTHER DICTIONARIES an overhaul of the election process The Chevy needs a complete overhaul. Work on the overhaul of the boiler has just started. EXAMPLES FROM THE CORPUS A drastic overhaul of land-ownership and farming is urgent. An occupational therapist helped her choose a keyboard as part of an overhaul of her work station and typing posture. Middle engine is on overhaul and the outers have four-bladed propellers. Paradox 4 represents a thorough overhaul of an already well-liked product. The provision went on the books last year as part of an overhaul of state welfare law. The success of any major production overhaul could also depend on the extent to which union agreement is forthcoming. This team does not need a major overhaul. Thesaurus Longman Language Activatorwork done to repair something► repairs · Who will pay for the repairs?repairs to · The insurance will cover the cost of all repairs to the vehicle.make/do/carry out repairs · Builders are carrying out repairs to the roof and walls. ► maintenance regular work done to check, clean, and repair something so that it keeps working properly or remains in good condition: · The Highways Department is responsible for the construction and maintenance of bridges and roads.car/motorcycle etc maintenance: · I knew nothing about car maintenance when I first bought my car.routine maintenance (=simple and regular maintenance): · The fault was discovered during routine maintenance work. ► service an examination of a vehicle or machine that is done regularly to check that it is working properly and see if any repairs are necessary: · We recommend an annual service for all central heating boilers.· My car's due for service - I'll book it into a garage next week.· Any major problems with the car should be picked up at the 5,000 mile service. ► overhaul a thorough examination of a machine, vehicle, or piece of equipment, making repairs if necessary: · The electrical system needs a complete overhaul.· Work on the overhaul of the boiler has just started. ► tune-up a process of making small changes and repairs to an engine so that it works as well as possible: · It's about time to take the car in for a tune-up again.· If you give the engine regular tune-ups, it will last much longer. Collocations COLLOCATIONS FROM THE ENTRY► complete overhaul  The car needs a complete overhaul. COLLOCATIONS FROM OTHER ENTRIES► a radical overhaul (=big changes in order to improve something)· government plans for a radical overhaul of the health care system COLLOCATIONS FROM THE CORPUSADJECTIVE► complete · The yard has been earmarked for a complete overhaul by private developers.· Boetsch rejected a complete overhaul of the new charges brought in Jan. 1, though.· We are long overdue for a complete overhaul of the mathematics curriculum at all levels.· Mr. Pollard says a complete overhaul of the system is needed, to establish guilt and innocence and find the truth.· By then a complete overhaul is often too late to be of much use.· He campaigned on behalf of the wrongly-convicted Guildford Four and urged a complete overhaul of the appeal system.· It is a luxurious 87-room hotel overlooking the bay and is currently undergoing a complete overhaul at considerable cost.· But he said there would have to be a complete overhaul of the electoral system first. ► major · Every two years, the plants are shut down for major overhaul.· He also has voiced skepticism that a major overhaul of the tax system would be enacted soon.· The success of any major production overhaul could also depend on the extent to which union agreement is forthcoming.· This team does not need a major overhaul.· A major overhaul of the mechanicals can't be too far away.· The sub needs to dive safely to her full depth capability after a major overhaul in order to win her navy approval.· Their hangar complex at Coventry Airport is capable of major airframe overhaul, modification and repair. ► radical · It is calling for a radical overhaul of coastal protection and flood defence planning.· Either black children are stupid or the traditional model of education needs a radical overhaul.· The radical overhaul of press legislation did not materialize.· Six months is not a long time in which to evaluate the most radical overhaul of the civil justice system since 1875.· Yet it never seems to have occurred to politicians that maybe the whole system is wrong and needs a radical overhaul. ► thorough · Calls for a thorough overhaul are growing louder.· Paradox 4 represents a thorough overhaul of an already well-liked product.· Rufus had thought Goblander needed a thorough overhaul and the mechanic confirmed this, adding that it would cost him. NOUN► welfare · State officials say the changes, which were included in the sweeping welfare overhaul law approved by the Legislature and Gov.· From the left, he is accused of political cowardice in signing the Republican welfare overhaul with its roiling undercurrents of race.· Maxine Waters, whose Los Angeles district would be hit hard by the welfare overhaul.· Luntz recommends that Dole use welfare overhaul as a unifying issue, because it appeals to the Buchanan Brigades without offending moderates.· Jackson, who opposes the welfare overhaul, says Clinton is far preferable to Dole.· Public opinion polls show a majority of respondents support a welfare overhaul. VERB► need · Yet it never seems to have occurred to politicians that maybe the whole system is wrong and needs a radical overhaul.· This team does not need a major overhaul.· Rufus had thought Goblander needed a thorough overhaul and the mechanic confirmed this, adding that it would cost him.· Either black children are stupid or the traditional model of education needs a radical overhaul. 1necessary changes or repairs made to a machine or system:  The car needs a complete overhaul.2when a system or method is changed in order to improve itoverhaul of an overhaul of the tax system
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