mangy  
adjective uk/ˈmeɪn.dʒi/ us/ˈmeɪn.dʒi/
  (ANIMAL)      
  患兽疥癣的
suffering from mange
  a thin, mangy dog 瘦瘦的癞皮狗 
   (OLD/DIRTY)      
 informal破旧的;肮脏的 
used to describe something that is old and dirty and has been used a lot
  We need to get rid of that mangy old carpet in the bedroom. 我们得扔掉卧室里那条又破又旧的地毯。