maintain - Definition & Meaning

main

tain

第三人称

maintains

现在进行时

maintaining

过去式

maintained

过去完成时

maintained

维持, 保持

to make something stay in the same state or condition

及物动词

The janitor regularly maintains cleanliness in the office by cleaning and organizing.
清洁工通过打扫和整理定期保持办公室的清洁。
Engineers often maintain machinery to ensure optimal performance.
工程师经常维护机械设备以确保最佳性能。
Last month, he maintained the garden by trimming the hedges and watering the plants.
上个月，他通过修剪树篱和给植物浇水来维护花园。
The IT department maintained the server to prevent potential issues.
IT部门维护了服务器以防止潜在问题。
Right now, the technician is actively maintaining the equipment to avoid breakdowns.
现在，技术人员正在积极维护设备以避免故障。

同义词：

keep hold

维护, 保养

to keep a vehicle, building, road, etc. in good condition by doing regular repairs, renovations, or examinations

及物动词

The company hires professionals to maintain the office building each year.
公司每年雇用专业人士来维护办公楼。
It’s important to regularly maintain your car to avoid costly repairs down the road.
定期保养您的汽车以避免将来昂贵的维修很重要。
The city allocates funds to maintain public parks and recreational areas.
该市拨款维护公共公园和娱乐区。
They maintain the old house by repainting and repairing it every few years.
他们每隔几年通过重新粉刷和修理来维护这座老房子。
The hotel maintains its facilities well, ensuring guests have a pleasant experience.
酒店维护其设施良好，确保客人有愉快的体验。

同义词：

conserve preserve keep up

维持, 供给

to supply someone or something with essential resources or support needed for survival or well-being

及物动词

The organization works to maintain struggling families by providing food and shelter.
该组织通过提供食物和住所来维持困境中的家庭。
She sends money each month to help maintain her relatives back home.
她每月寄钱帮助维持家乡亲戚的生活。
The fund was established to maintain the wildlife sanctuary and its animals.
该基金的设立是为了维持野生动物保护区及其动物。
He maintained his family by working two jobs to cover all their needs.
他通过做两份工作来维持家庭，以满足他们所有的需求。
Governments often create programs to maintain citizens in need of financial assistance.
政府经常创建项目以维持需要财政援助的公民。

同义词：

keep sustain

维持, 断言

to support and affirm something as true, especially in the face of disagreement or challenge

及物动词

She continued to maintain her innocence despite the accusations.
尽管有指控，她仍继续坚持自己的清白。
The lawyer maintained his client’s version of events during the trial.
律师在审判期间坚持其委托人对事件的描述。
She maintained her position in the argument, defending her viewpoint passionately.
她在争论中保持了自己的立场，热情地捍卫了自己的观点。
He maintained his belief in their innocence, even when evidence suggested otherwise.
他坚持相信他们是无辜的，即使证据表明并非如此。
The author maintained his stance on the controversial topic throughout the debate.
作者在整个辩论过程中坚持他在有争议话题上的立场。

同义词：

asseverate assert

坚持, 主张

to firmly and persistently express an opinion, belief, or statement as true and valid

及物动词

She maintains that her interpretation of the data is correct despite the opposition.
尽管有反对意见，她仍坚持认为她对数据的解释是正确的。
Despite the controversy, the author maintains that the historical facts in the book are accurate.
尽管存在争议，作者坚称书中的历史事实是准确的。
The scientist maintains that climate change is a significant threat that needs immediate attention.
科学家坚称气候变化是一个需要立即关注的重大威胁。
They maintain that their product is the best on the market based on customer feedback.
他们坚持认为根据客户反馈他们的产品是市场上最好的。

同义词：

defend claim assert

维持, 捍卫

to protect or support something firmly, especially when facing opposition or threats

及物动词

The soldiers were prepared to maintain their position against the advancing enemy.
士兵们准备保持他们的阵地，抵御前进的敌人。
Citizens banded together to maintain their neighborhood’s safety against rising crime.
市民们团结起来，维护他们社区的安全，以应对不断上升的犯罪率。
He vowed to maintain his principles, no matter the challenges he faced.
他发誓要维护他的原则，无论面临什么挑战。
The team promised to maintain their lead despite tough competition.
团队承诺尽管竞争激烈，仍将保持领先地位。
She fought to maintain her freedom of speech in the face of censorship.
她面对审查，努力维护自己的言论自由。

同义词：

uphold

保持, 维护

to keep a record of something by regularly documenting updates or details in writing

及物动词

She maintained a daily journal to track her fitness progress.
她保持写日记的习惯以追踪她的健身进度。
The scientist maintained detailed notes of each experiment’s results.
科学家保持了每个实验结果的详细记录。
He maintained a logbook of all his travel destinations and expenses.
他保存了一本记录他所有旅行目的地和费用的日志。
The nurse maintained patient records to monitor health trends over time.
护士维护了病人记录以监测健康趋势随时间的变化。
The teacher maintained attendance records for each of her classes.
老师维护了她每个班级的考勤记录。

同义词：

keep