maintenance

名词 maintenance:

1. activity involved in maintaining something in good working order
   同义词：care, upkeep
2. means of maintenance of a family or group
3. court-ordered support paid by one spouse to another after they are separated
   同义词：alimony
4. the act of sustaining life by food or providing a means of subsistence
   同义词：sustenance, sustentation, sustainment, upkeep
5. 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
   同义词：criminal maintenance

1. Maintenance of PC is in my element.
   我对电脑的维修保养很在行。
2. A maintenance manual gives diagrams and instructions for repairing your car.
   维修手册向您提供修理汽车所需的图表和说明。
3. The machinery requires constant maintenance.
   这些机器需要经常保养维修。
4. Regulation and control of the affairs of a community, especially with respect to maintenance of order, law, health, morals, safety, and other matters affecting the public welfare.
   警政对一个社区的事务的管理和控制，特别是对有关秩序、法律、健康、道德和安全的维护，以及其它影响到公共福利的事情
5. He's taking classes in car maintenance.
   他正在上汽车维修课。
6. He had to work hard for the maintenance of his family.
   他为了养家不得不去拼命工作。

main.te.nance

n.（名词）
The act of maintaining or the state of being maintained:
保持：维持的动作或者被维持的状态：
例句：
the maintenance of family traditions.
家族传统的保持

The work of keeping something in proper condition; upkeep.
养护：使某事物处于正常的工作状态；维修

Provision of support or livelihood.
生计：维持或谋生的必需品
Means of support or livelihood:
维持或谋生的财富：
例句：
an income that barely provided maintenance.See Synonyms at livelihood
收入不足以维生参见 livelihood

Law The unlawful meddling in a suit by providing either party with the means to carry it on.
【法律】 （对诉讼一方）非法的干涉：通过资助一方进行诉讼的方式非法干涉一起诉讼

来源：
Middle English maintenaunce
中古英语 maintenaunce
from Old French maintenance
源自 古法语 maintenance
from maintenir [to maintain] * see maintain
源自 maintenir [维持] *参见 maintain