1
perform maintenance on sth
用于表示对某物进行维护操作。
The technicians will perform maintenance on the elevator tomorrow.
技术人员明天将对电梯执行维护。
维护；保养
先理解核心含义，再看它在真实句子里的用法。
维护；保养
The work of keeping equipment, buildings, or other property in good condition.
The technicians will perform maintenance on the elevator tomorrow.
技术人员明天将对电梯执行维护。
为使机器或系统保持运转或可用而进行的操作
Actions performed to keep some machine or system functioning or in service.
保持某物良好工作状态的活动
activity involved in maintaining something in good working order
第三方对诉讼无真实利益却提供帮助或获取利益而构成的侵权(在某些司法辖区为犯罪)
A tort and (in some jurisdictions) an offence committed when a third party who does not have a bona fide interest in a lawsuit provides help or acquires an interest to a litigant's lawsuit.
维持家庭或团体的手段
means of maintenance of a family or group
The building requires regular maintenance to keep it safe.
这栋建筑需要定期维护以保持安全。
He is responsible for the maintenance of all office equipment.
他负责所有办公设备的保养。
Car maintenance can be expensive if you neglect it.
如果你忽视汽车保养，费用可能会很高。
用于表示对某物进行维护操作。
The technicians will perform maintenance on the elevator tomorrow.
技术人员明天将对电梯执行维护。
常作主语或宾语，指定期进行的维护。
Routine maintenance is essential for prolonging the machine's life.
例行维护对于延长机器寿命至关重要。
后接名词，表示对某物的维护。
The maintenance of the building requires a significant budget.
这栋建筑的维护需要大量预算。
表示某物处于维护状态。
The website is under maintenance and will be back online soon.
网站正在维护中，很快将恢复上线。
Not this
The car needs regular maintainance.
Use this
The car needs regular maintenance.
拼写错误：受动词maintain影响，错误拼写为maintainance。正确拼写为maintenance。
Not this
Please maintenance the equipment daily.
Use this
Please maintain the equipment daily.
词性误用：maintenance是名词，不能直接作谓语动词。应使用动词maintain。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
常规维护
The car needs routine maintenance every six months.
这辆车每六个月需要常规维护。
预防性维护
Preventive maintenance can extend the life of the equipment.
预防性维护可以延长设备的使用寿命。
维修工作
The maintenance work on the bridge will take two weeks.
这座桥的维修工作将耗时两周。
维护成本
High maintenance costs are a concern for older buildings.
高昂的维护成本是老建筑的一个问题。
维修人员
The maintenance staff checks the boiler daily.
维修人员每天检查锅炉。
维护计划
We need to stick to the maintenance schedule to avoid breakdowns.
我们需要遵守维护计划以避免故障。
发长 /eɪ/ 音 (如 rain, wait)
Use maintenance naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象‘main’（主要的）加上‘tenance’（像‘ten ants’）——十只蚂蚁是维护的主力军。
通常用于技术、工业或日常维护场景，语气中性，但在不同语境中可偏正式或非正式。
No common words rhyme exactly with 'maintenance'. The words 'maintain' and 'countenance' share the '-tenance' spelling but differ in vowel sounds.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.