Word · Frequency #12280
overhaul
大检修；大修
periodic maintenance on a car or machine
- 1.
A major repair, renovation, or revision.
大修、翻新或修订
- 2.
periodic maintenance on a car or machine
对汽车或机器的定期维护
- 3.
The process after the fire appears extinguished in which the firefighters search the structure for signs of hot spots that may cause the structure to reignite.
火灾扑灭后,消防员搜寻建筑物内可能引起复燃的热点的过程
- 4.
the act of improving by renewing and restoring
通过更新和修复来改进
大修、翻新或修订；对汽车或机器的定期维护；火灾扑灭后,消防员搜寻建筑物内可能引起复燃的热点的过程；通过更新和修复来改进；分解检查
In use
The mechanic had to overhaul the old engine before the car could pass inspection.
We are overhauling the factory's old conveyor belts this weekend.
The airline overhauled all of its jets after the safety report.
it was time for an overhaul on the tractor
overhaul sth
动词用法：及物动词，后直接接检修对象，常用于机器、车辆或系统。
The technicians will overhaul the entire heating system.
技术人员将彻底检修整个供暖系统。
an overhaul of sth
名词用法：an overhaul of ... 表示“对……的大检修”，介词用 of。
The government promised a thorough overhaul of the healthcare system.
政府承诺对医疗体系进行一次彻底的大检修。
Connections
Collocations
- major overhaul
- 大修
- The car needs a major overhaul.这辆车需要大修。
- complete overhaul
- 彻底检修
- The software is due for a complete overhaul.该软件需要进行彻底检修。
- engine overhaul
- 发动机大修
- An engine overhaul can be very costly.发动机大修可能非常昂贵。
- overhaul the system
- 彻底改革系统
- They plan to overhaul the entire system next year.他们计划明年彻底改革整个系统。
- undergo an overhaul
- 进行大修
- The school underwent a major overhaul.这所学校进行了大修。
Idioms & figurative uses
Learner notes
Memory Tip
over（全部）+ haul（拖、拉）→ 想象把整台机器全部拖去检修，即“大修、翻修”。
Context & Register
语域：neutral 常见场景：汽车维修、机械维护、设备检修 该义项多用于车辆、机器或设备的定期检修场景，属于中性偏正式的用法；在日常口语中有时也用，但更常见于技术或维护语境。
Pronunciation & Spelling
在 'overhaul' 中，结尾的 'haul' 读作 /hɔl/，与以下词的 '-all' 部分押韵：hall (/hɔl/)、ball (/bɔl/)、call (/kɔl/)、fall (/fɔl/)、tall (/tɔl/)、wall (/wɔl/)。注意 'haul' 拼写为 'au'，但发音与 'hall' 相同。注意区分：'haul' 不像 'howl' (/haʊl/) 或 'hail' (/heɪl/)，它们看起来相似但读音不同。
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.