Noun:
activity involved in maintaining something in good working order;he wrote the manual on car care
means of maintenance of a family or groupcourt-ordered support paid by one spouse to another after they are separatedthe act of sustaining life by food or providing a means of subsistence;they were in want of sustenance
fishing was their main sustainment
the unauthorized interference in a legal action by a person having no interest in it as by helping one party with money or otherwise to continue the action so as to obstruct justice or promote unnecessary litigation or unsettle the peace of the community;unlike champerty, criminal maintenance does not necessarily involve personal profit
1369年左右进入英语，直接源自古法语的maintenance。
用作名词 n.
动词+～claim maintenance要求得到抚养费learn maintenance学习保养形容词+～preventive maintenance预防性保养routine maintenance日常保养名词+～building maintenance房屋维修car maintenance汽车保养file maintenance文件保管～+介词the maintenance of law and order维持法律与秩序
近义词 of关于care关心keep保持wages工资grant授予child小孩means方法upkeep维持repair修理salary薪水income收入support支持revenue税收pursuit追求payment支付grooming修饰living活着的servicing维修protection保护livelihood生计settlement解决continuance继续allowance零用钱subsistence生存persistence坚持stability稳定性repairs修理工作sustainment支持preservation保存conservation保存continuity连续性perpetuation永存continuation继续sustentation支持sustenance维持生计child support子女抚养费means of support支承方法upholding动词uphold的现在进…alimony离婚后丈夫给妻子的赡…perseveration医持续言语指言语反…反义词 abandonment放弃
用作名词(n.He learnt tractormaintenance.他学会了拖拉机维修。
His small farm providesmaintenance, but not much more.他的小农场能使他们维持生活,但仅此而已。
He has to paymaintenance to his ex-wife.他必须给前妻抚养费。
名词100%
Both parents contribute to the maintenance of their children.双方父母都给孩子们提供生活费用。