bleeder       
noun [ C ] UK old-fashioned informal uk/ˈbliː.dər/ us/ˈbliː.dɚ/
 讨厌鬼;可怜虫
a person you feel annoyed with or sorry for
  Children? I can't stand the little bleeders! 孩子?我可受不了那些烦人的小家伙! 
 He's got to have another operation, the poor bleeder. 他还要再做一次手术,那个可怜的家伙。