overhaul

overhaul
verb
[with obj.]
  1. take apart (a piece of machinery or equipment) in order to examine it and repair it if necessary
    解体检修(机械,设备);拆修,大修
    the steering box was recently overhauled.
    转向箱最近刚大修过。
    moves to overhaul the income tax system.
    全面检查所得税制度的行动。
  2. (Brit.)overtake (someone), especially in a sporting event
    (英)(尤指体育比赛中)超过
    Jodami overhauled his chief rival.
    乔达米超过了他的主要对手。
noun
  1. a thorough examination of machinery or a system, with repairs or changes made if necessary
    (机器的)解体检修;大修;(系统、体制的)全面修改
    a major overhaul of environmental policies.
    环保政策的全面修订。
语源
  1. early 17th cent. (originally in nautical use in the sense 'release (rope tackle) by slackening'): from over- + haul
英语宝典
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