full-on  
adjective UK uk/ˌfʊlˈɒn/ us/ˌfʊlˈɑːn/
  (VERY GREAT)      
  非常棒的;极度的
very great or to the greatest degree
  The hotel specializes in full-on luxury. 那家宾馆极度奢华。 
   (ENTHUSIASTIC)     
 [ after verb ]过于严肃的;狂热的 
very serious and enthusiastic, often in a way that is annoying to other people