cat-sit       
verb [ I ] (also catsit) uk/ˈkætˌsɪt/ us/ˈkætˌsɪt/
 代人看猫
to take care of a cat while its owner is away, usually by visiting or staying in the owner's home
  While my mother was cat-sitting my cat gained 4 pounds! 在我妈代我看猫期间,我的猫长了4磅! 
 - More examples
 - He asked a co-worker to cat-sit for a while until his return.
 - Since Chewie was nasty to anyone except his mistress, nobody wanted to cat-sit.
 - I had to cat-sit for some people once who insisted their cat was vegan.
 - While I was working away, she was catsitting for me.