名词
工作
1. 维修；保养；养护
The upkeep of a building or place is the work of keeping it in good condition.
2. 赡养；供养；（公共事业的）维持
The upkeep of a group of people or services is the process of providing them with the things that they need.
1. activity involved in maintaining something in good working order
e.g. he wrote the manual on car care
Synonym: caremaintenance
2. the act of sustaining life by food or providing a means of subsistence
e.g. they were in want of sustenance
fishing was their main sustainment