overhaul

o·ver·haul1 /ˌəʊvəˈhɔːl $ ˌoʊvərˈhɒːl/ verb [transitiveT]

1 REPAIRto repair or change the necessary parts in a machine, system etc that is not working correctly 彻底检修〔机器、系统等〕

A mechanic is coming to overhaul the engine.

一名机修工要来彻底检修引擎。

2 to change a system or method in order to improve it 全面改革〔制度或方法〕

All the community’s decision-making institutions need to be overhauled.

社区的所有决策机构都需要进行彻底改革。

Examples from the Corpus

overhaul• Relentlessly, the gazelle is overhauled.• The engine has been overhauled and runs much more smoothly now.• All the electrical wiring in the house was being completely overhauled because of the risk of fire.• 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.• A bipartisan reauthorization bill to overhaul the act, authored by Sen.• An engineer is coming in to overhaul the air conditioning.• Is there a firm that can overhaul the self levelling unit as fitted to the Range Rover?• In Aischines' time, and precisely in 357, Euboulos' government had overhauled the system of naval finance and administration.• They promised to reduce taxes and overhaul the whole welfare system.• But tire makers have also overhauled their business.• Tommy Thompson to radically overhaul welfare.

o·ver·haul2 /ˈəʊvəhɔːl $ ˈoʊvərhɒːl/ noun [countableC]

1 REPAIRnecessary changes or repairs made to a machine or system 〔对机器或系统的〕大检修

The car needs a complete overhaul.

这辆汽车需要大修。

2 when a system or method is changed in order to improve it 〔制度或方法的〕彻底改革

overhaul of

an overhaul of the tax system

税制的全面改革

Examples from the Corpus

overhaul• An occupational therapist helped her choose a keyboard as part of an overhaul of her work station and typing posture.• The provision went on the books last year as part of an overhaul of state welfare law.• an overhaul of the election process• The Chevy needs a complete overhaul.• A drastic overhaul of land-ownership and farming is urgent.• This team does not need a major overhaul.• Middle engine is on overhaul and the outers have four-bladed propellers.• The success of any major production overhaul could also depend on the extent to which union agreement is forthcoming.• Work on the overhaul of the boiler has just started.• Paradox 4 represents a thorough overhaul of an already well-liked product.

complete overhaul• But he said there would have to be a complete overhaul of the electoral system first.• The yard has been earmarked for a complete overhaul by private developers.• We are long overdue for a complete overhaul of the mathematics curriculum at all levels.• Boetsch rejected a complete overhaul of the new charges brought in Jan. 1, though.• 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.• It is a luxurious 87-room hotel overlooking the bay and is currently undergoing a complete overhaul at considerable cost.• He campaigned on behalf of the wrongly-convicted Guildford Four and urged a complete overhaul of the appeal system.

From Longman Business Dictionary

overhaulo·ver·haul /ˌəʊvəˈhɔːlˌoʊvərˈhɒːl/ verb [transitiveT]

to repair or change all the parts of a machine or system that is not working correctly

a proposal to overhaul the health-care system

—overhaul /ˈəʊvəhɔːlˈoʊvərhɒːl/ noun [countableC]

θhe company is a world leader in the repair and overhaul of industrial gas turbines.

Origin overhaul1

(1700-1800) overhaul “to make (a rope) loose by pulling it back” ((17-19 centuries))