我负担不起带花园的大房子的维护费。 I can't afford the upkeep of a large house and garden.
警察组成这样一个部门的一群人，他们被专门训练来掌握执行法律和防止并侦破犯罪行为的方法，被授予维护一个社区的和平、安全和秩序的职权 A body of persons making up such a department, trained in methods of law enforcement and crime prevention and detection and given the authority to maintain the peace, safety, and order of the community.
刹帝利四个印度种姓中的第二级，负责执法和维护社会安定。在古代印度，它由皇族和武士阶层构成；在现代印度，它表示职业、统治和军事阶层 The second of the four Hindu classes, responsible for upholding justice and social harmony. In ancient India this was the royal or warrior class; in modern India, the professional, governing, or military class.
这台旧机器维护得很好，看起来像新的一样。 The old machine is well maintained and looks as good as new.
总统宣誓维护宪法。 The President swore to uphold the constitution.
