maintain是什么意思 maintain怎么读
英式：[meɪnˈteɪn]
美式：[meɪnˈteɪn]
CET4、TEM4、IELTS、考 研、CET6
maintain单词基本解析：
v.维持，保持; 坚称; 维修，保养; 供养vt.维持, 维修, 保养, 坚持, 断言
vt.保持；保养；坚持；固执己见
maintain变化用词：
第三人称单数:maintains;过去式:maintained;过去分词:maintained;现在分词:maintaining;形容词: maintainable | 名词: maintainability | 动词过去式: maintained | 动词过去分词: maintained | 动词现在分词: maintaining | 动词第三人称单数: maintains |
过去式：maintained过去分词：maintained现在分词：maintaining第三人称单数：maintains
maintain英英释义：
Verb1. keep in a certain state, position, or activity; e.g., "keep clean";
"hold in place"
"She always held herself as a lady"
"The students keep me on my toes"
2. keep in safety and protect from harm, decay, loss, or destruction;
"We preserve these archeological findings"
"The old lady could not keep up the building"
"children must be taught to conserve our national heritage"
"The museum curator conserved the ancient manuscripts"
3. supply with necessities and support;
"She alone sustained her family"
"The money will sustain our good cause"
"There's little to earn and many to keep"
4. state categorically
5. of power or authority
6. maintain for use and service;
"I keep a car in the countryside"
"She keeps an apartment in Paris for her shopping trips"
7. maintain by writing regular records;
"keep a diary"
"maintain a record"
"keep notes"
8. state or assert;
"He maintained his innocence"
9. support against an opponent;
"The appellate court upheld the verdict"
10. observe correctly or closely;
"The pianist kept time with the metronome"
"keep count"
"I cannot keep track of all my employees"
动词 maintain:
keep in a certain state, position, or activity; e.g., "keep clean"
同义词：keep, hold
keep in safety and protect from harm, decay, loss, or destruction
同义词：conserve, preserve, keep up
supply with necessities and support
同义词：sustain, keep
state categorically
同义词：assert, asseverate
have and exercise
同义词：wield, exert
maintain for use and service
同义词：keep
maintain by writing regular records
同义词：keep
state or assert
同义词：defend
support against an opponent
同义词：uphold
observe correctly or closely
同义词：observe, keep
maintain[ mein'tein ]v.keep in a certain state, position, or activity; e.g.,同义词：keephold
keep in safety and protect from harm, decay, loss, or destruction同义词：conservepreservekeep up
supply with necessities and support同义词：sustainkeep
state categorically同义词：assertasseverate
have and exercise同义词：wieldexert
maintain for use and service同义词：keep
maintain by writing regular records"maintain a record"
同义词：keep
state or assert"He maintained his innocence"
同义词：defend
support against an opponent同义词：uphold
observe correctly or closely同义词：observekeep
maintain中文词源：
maintain 维持，保持，保养 来自古法语maintenir,保持，维持，来自拉丁语manu tenere,握在手上，控制，来自manu,手，词源同manual,tenere,握住，词源同tenure,contain.引申多种词义。maintain用法和例句：
to maintain law and order/standards/a balance
维持治安；保持水平 / 平衡
The two countries have always maintained close relations.
这两个国家一直保持着密切关系。
(formal)She maintained a dignified silence.
她一言不发，以保持尊严。
to maintain prices (= prevent them falling or rising)
维持价格的稳定
The house is large and difficult to maintain.
房子很大，难以养护。
The men maintained (that) they were out of the country when the crime was committed.
这几个男人坚持说案发时他们在国外。
She has always maintained her innocence .
她一直坚持说她是无辜的。
Her income was barely enough to maintain one child, let alone three.
她的收入养活一个孩子几乎都不够，更不用说三个了。
The Department maintains many close contacts with the chemical industry...
这个部门与化工行业保持着众多密切的联系。
Push yourself to make friends and to maintain the friendships.
要求自己与人交友并保持友谊。
He has maintained that the money was donated for international purposes...
他坚称这笔捐款将用于国际用途。
Prosecutors maintain no deal was made...
原告坚持说不存在任何交易。
The government was right to maintain interest rates at a high level.
政府维持高利率的做法是正确的。
...action is required to ensure standards are maintained at as high a level as possible.
要求采取行动确保标准维持在尽量高的水平上。
...a tough campaign to force authorities to maintain roads properly...
迫使当局妥善维修道路的艰难斗争
The house costs a fortune to maintain...
维修这幢房子花销不菲。
He should pay and maintain you as well.
他得给你钱，还得供养你。
...the basic costs of maintaining a child.
抚养一个孩子的基本费用
How many boys and girls are there in your class?
你班有多少男生和女生?
The idea is to maintain the regularity of the heartbeat.
问题就是要维持心跳的规律性.
《简明英汉词典》
maintain
A gearing mechanism of a motor vehicle engine that reduces the power output required to maintain driving speed in a specific range by lowering the gear ratio.
(汽车的)超速档机动车辆的一种齿轮装置，通过降低齿轮比率来减少为将车速保持在一定范围内而需要的输出力
How does FTM maintain the pool of active transfers?
FTM如何维护活动传输池?
Maintain NPI test network environment.
NPI网络环境的日常维护以及更新工作。
Does a good programmer refuse to maintain his code?
一个好的程序员不应拒绝维护他的程序。
Descend and maintain Two Tousand Five Hundred feet.
下降到两千五百尺或两五洞洞。
This cannot be relied on to maintain peace.
不能依靠这个来维护和平。
Don' t maintain your wrong opinion.
不要坚持你那错误主张啦。
It's hard to keep track of (ie maintain contact with) all one's old school friends.
与中学时的所有老校友都保持联系是很困难的。
Maintain good relationship with local tax bureau.
与当地税务局保持良好的关系.
The two factories maintain frequent contacts.
两个厂经常打交道。
The two nations try to maintain durable peace.
两国尽力维护持久和平。
They must maintain the rhythm in unison.
两者必须保持节奏的合拍。
In order to maintain physical well being, a person should eat wholesome food and get sufficient exercise.
为了维持身体健康，一个人应该吃有益健康的食品，并经常锻炼身体。
Why do we supply IT maintain outsourcing service?
为什么我们要提供企业IT维护外包服务?
Plan ahead but maintain flexibility.
事前计划，但要保持弹性。
Mankind have been trying every means to maintain the balance of nature.
人类采用一切手段保持生态平衡。
He has to maintain his wife and five children .
他不得不养活妻子和5个孩子。
He continue to maintain his technical innocence of any indictable offence.
他仍然声称自己从严格的法律意义上说并未犯有任何可以起诉的罪行。
They were determined to maintain their right .
他们决心维护他们的权利。
Their work is to maintain railway lines.
他们的工作是养护铁路。
They expend large sum of money in maintain this beach.
他们花去大笔的钱维护这个海滩。
They are trying to maintain good public relations.
他们试图保持良好的公共关系。
They also help us to maintain the machinery.
他们还帮助我们维修机器。
He has worked hard to maintain his family.
他努力工作来养家。
He is too poor to maintain his family.
他太穷了，无法养活家人。
He is too poor to maintain his life.
他太穷，不能维持生活。
He has to maintain his wife and two children.
他必须养活妻子和两个孩子。
He can't maintain enough equilibrium to ride a bike.
他骑自行车不能保持平衡。
We must maintain keen vigilance at all times.
任何时候我们都要保持高度的警惕。
You earning enough to maintain a family in comfort?
你挣的钱足以维持一家人过舒适的生活吗?
How do you maintain a good friendship?
你是如何呵护友谊的?
Maintain 5400m until further instruction.
保持5400米直到进一步通知。
Maintain 9000m until past the FIR boundary.
保持9000米直到飞越飞行情报区边界。
Maintain present heading for a while.
保持一会儿现在航向。
Maintain a close liaison with Civil Defence.
保持一次与民防短距离的通信。
How to maintain the advanced nature of the party?
保持党的先进性的路径与方法?
Maintain the left leg straight on the ground.
保持左膝盖挺直在地面上。
Maintain scrap rate at an acceptable level.
保持废品率在一个合理的水平。
Maintain a proper working posture.
保持良好的工作姿势。
To maintain the tempo or rhythm.
保持节奏或旋律
Maintain a reserve of mind and heart.
保留一点私人的空间。
An attempt to convey or maintain the appearance of refinement and elegance.
假派头试图表达或保持优雅和得体的外表的努力
Stock and maintain warehouse inventory.
储存并保存仓库存货清单.
Let you maintain the collection of Java listeners.
允许您维持一个Java侦听器集合。
Utility companies could install and maintain them.
公用事业公司可以安装并保养它们。
It is necessary to maintain public highways .
养护公路是必要的。
The army must maintain strict discipline and allow no laxity.
军队非讲纪律不可，纪律松弛是不行的。
The plan is merely designed to maintain their nuclear superiority.
制定这个计划只是为了保持他们的核优势。
Doing their best to maintain its peace and order.
努力维护台湾法制而默默耕耘。
Is it complex to maintain them after the upgrade?
升级后的维护是不是很复杂?
Assist Engineer to maintain BOM.
协助工程师维护BOM。
Maintain lab equipment well with maintenance team.
协助维护部确保实验室设备的正常运转。
Agreements maintain motivation and action.
协定能维护动力和行为.
The team managed to maintain a firm face even in times of great adversity.
即使在危难时刻，这个队仍成功地保持了坚定的信心
To maintain or affirm against opposition.
反驳针对反对意见来坚持或肯定
The practice of marrying the widow of one's brother to maintain his line, as required by ancient Hebrew law.
叔娶嫂制如古希伯来法律规定的弟弟与寡嫂结婚以维持哥哥的家系的一种风俗
Eating to maintain vital energy.
吃饭以维持生命力。
Always maintain eye contact with the interviewer.
和雇主要一直保持目光接触。
A warden employed to maintain and protect a forest or other natural area.
国有森林员保护和维持森林等自然地貌的雇佣的看护人
Owning much unprofitable land but lacking the capital to improve or maintain it.
土地多而收入少的拥有大量不能获利的土地但是又缺乏资金加以改造或维持的
Here, we know how to maintain our engine, have.
在這裡,我们知道了怎样保护我们的引擎还有。
Maintain boundaries in how a guy treats you.
在他如何对待你之间保持一个界限。
Maintain positive guest relations at all times.
在任何时间都保持和客人良好的关系。
Maintain peace and calm at home.
在家里保持平和与冷静。
How do you maintain oxygen supply on the ISS?
在空间站怎样获得氧气供应?
Check and maintain STD cost of BOM and process in the system.
在系统中检查并维护BOM的标准成本及程序。
We must maintain an open mind on such questions.
在这种问题上心胸要开阔一些。
Maintain and enhance self-esteem of the employee.
增强人员自尊心,培育人员自信心。
She tried to maintain a low profile.
她努力保持低姿态。
She tried to maintain a businesslike look.
她想要保持一种有条不紊的样子。
She struggled to maintain her composure.
她竭力保持镇静。
For to maintain his two brothers and he.
好养活哥几个。
How do you build and maintain plans?
如何建立和维护应急管理计划?
How to Maintain Microsoft Windows?
如何维护系统健康?
If he can maintain this speed he will win the race.
如果他能保持这种速度，就能赢得这场赛跑。
If you are going to marry my daughter, I must ask if you can afford to maintain her in the manner to which she has been accustomed?
如果你打算娶我的女儿，那我就必须问问你是否能维持她原来习惯的生活方式？
Does the dormitory maintain an injury log?
宿舍是否保留受伤记录?
Maintain healthy paranoia about competitors.
对竞争者要保持一种健康的偏执狂心态。
We maintain neutral in technology and energy.
对能源和科技板块的看法较为中性。
Little presents maintain friendship.
小礼品能维持友谊。
用作及物动词(vt.)It is absolutely vital that food supplies should be maintained.
维持食物的供给是绝对必要的。
They also help us to maintain the machinery.
他们还帮助我们维修机器。
They tell the peasants in detail how to maintain the pumps.
他们详细地教给农民怎样保养抽水机。
It is clearly illogical to maintain such a proposition.
坚持这种主张显然是没有道理的。
He maintains that there are no short cuts to effective management.
他断言,有效的管理没有捷径可走。