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TOEFL IELTS BNC: 825 COCA: 922

maintain

Word family 
main·tain /meɪnˈteɪn, mən-/ ●●● S2 W1 AWL verb [transitiveT]  
1  make STH continue 使某事继续CONTINUE/NOT STOP to make something continue in the same way or at the same standard as before 保持,维持
 Careers Officers maintain contact with young people when they have left school.
年轻人离开学校以后，职业指导员和他们保持联系。
 Britain wants to maintain its position as a world power.
英国想保持其世界强国的地位。
 A lot depends on building and maintaining a good relationship with your customers.
和顾客建立并保持良好关系很重要，很多事情要取决于此。
 The hotel prides itself on maintaining high standards.
这家酒店以保持高标准而自豪。
 How can we maintain control of spending?
我们如何保持对开支的控制？
2  level/rate 水平/速度CONTINUE/NOT STOP to make a level or rate of activity, movement etc stay the same 保持
 It is important to maintain a constant temperature inside the greenhouse.
温室内保持恒温很重要。
 This is the most efficient way to build up and maintain a reasonable level of physical fitness.
要让身体达到一定的健康水平并保持下去，这是最有效的办法。
3  say 说SAY/STATE to strongly express your belief that something is true 坚持认为，坚持说 SYN claim
maintain (that)
 Critics maintain that these reforms will lead to a decline in educational standards.
批评者坚称这些改革会导致教育标准下降。
maintain your innocence (=say that you did not commit a crime) 坚持说自己是无辜的
 He maintained his innocence and said the allegations were ‘ridiculous’.
他坚持说自己是无辜的，称这些指控很“荒谬”。
4  look after STH 照料某物LOOK AFTER something to keep a machine, building etc in good condition by checking and repairing it regularly 维护，保养〔机器、建筑物等〕
 The report found that safety equipment had been very poorly maintained.
报告说安全设备保养得很差。
 The company is responsible for maintaining public telephone boxes.
这家公司负责维护公共电话亭。
5  provide money/food 提供钱/食物PAY FOR to provide someone with the things they need, such as money or food 供养，扶养，赡养 SYN provide for
 How can you maintain a family on $900 a month?
每月900美元怎么能维持一家人的生活？
Examples from the Corpus
maintain• Once learned, values must be maintained.• Cox said he and his wife, Chrissy, were "trying to just maintain."• Air France has maintained a high level of service for many years.• It's hard to do this job and still maintain a marriage.• Dieters should try to reach and maintain a reasonable weight.• Simple mechanical devices were placed in the test room to maintain an accurate record of output.• King lives in Chicago but maintains an apartment in New York.• It is surely a question of maintaining an appropriate balance, and is not something that can be taken for granted.• Barges of Lee's fleet were always well maintained and were never over-loaded.• Volkswagen has maintained close business ties with them for over 20 years.• His first job was installing and maintaining computers.• It is best if divorced parents can maintain friendly relations for the sake of the children.• We want to maintain our sense of status.• They're finding it difficult to maintain such high interest rates.• This is cheaper than pure goose down but like all down bags maintains superb loft capacity.• My mother always maintains that I learned to talk at six months.• Residents work in the downstairs shop, and also help to maintain the building.• An attempt was being made to maintain the grounds, but weeds were starting to grow in the driveway.• Ball maintains the prerequisite glum visage, but he's clearly happy standing behind his bank of electronic equipment.• His role is to maintain the society's fleet of vans, ready to respond in any emergency.• Throughout this history the two sides have maintained two distinct takes on hacking.• Our main wish is to help maintain world peace.• The authors of "Superdiet' maintain you can lose pounds without eating less.
maintain your innocence• He is pleasant, quite soft-spoken and a personable gentleman who maintains his innocence.• Both men maintain their innocence and are fighting extradition.• It will be said that children should maintain their innocence and should be protected from such distressing subjects as bereavement.• The four have maintained their innocence of the charges.
From Longman Business Dictionary
maintainmain·tain /meɪnˈteɪn, mən-/ verb [transitiveT]
1to make something continue in the same way or at the same high standard as before
It is impossible to maintain exports at past levels.
To maintain sales growth, the company plans to unveil a new line of bicycles.
2to keep something such as a building or machine in good condition by taking care of it
They maintain the computer and telephone equipment in the building.
3to provide someone with money, food, and the other things they need
the ever-increasing cost of maintaining children
Origin maintain
(1200-1300) Old French maintenir, from Latin manu tenere “to hold in the hand”
main·tain verb
Chinese
Syllable
Corpus

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