wannabe       
noun [ C ], adjective  informal disapproving uk/ˈwɒn.ə.bi/ us/ˈwɑː.nə.bi/
 梦想成功(或出名)者
a person who is trying to become famous, usually unsuccessfully
  The bar is frequented by wannabe actresses and film directors. 这家酒吧经常有梦想成名的女演员和电影导演光顾。 
 Synonyms: aspirant hopeful