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
figurative〈喻〉moves to overhaul the income tax system.
全面修订所得税制度的行动。
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。
- 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。
词源
early 17th cent. （originally in nautical use in the sense 'release (rope tackle) by slackening'）： from OVER- + HAUL.