大修 (dà) — major overhaul (of machinery, vehicles, infrastructure, etc.)
Definition
A 'major overhaul' — extensive, heavy repair of machinery, vehicles, or infrastructure, going beyond routine maintenance (保养). Used in technical and industrial contexts.
noun
major overhaul (of machinery, vehicles, infrastructure, etc.)
Measure word · 次
Examples
- 大修。Zhè tái fā dòng jī xū yào yí cì dà.This engine needs a major overhaul.
- 大修。Gōng chǎng měi nián duì shè bèi jìn xíng yí cì dà.The factory does a major overhaul of the equipment every year.
- 大修,。Jīng guò liǎng cì dà, zhè liàng chē de xìng néng huī fù le.After two major overhauls, the performance of this car recovered.
Appears in
Browse more HSK 7-9 words or search the full 43,000-word dictionary.