villains

n.

恶棍( villain的名词复数 )；罪犯；（小说、戏剧等中的）反面人物；淘气鬼

Payday lenders: Hores or villains?
Payday lenders: Heroes or villains? ☆
Villains, fools or heroes? Sports stars as role models for young people
Proteasomes in apoptosis: villains or guardians?
Managers of Financially Distressed Firms: Villains or Scapegoats?
Bicuspid aortic valve and coarctation: two villains part of a diffuse problem
Six authors in search of a citation: villains or victims of the Vancouver convention?
CD3CD4CD8 (double negative) T cells: Saviours or villains of the immune response?
Intrinsic versus idiosyncratic drug-induced hepatotoxicity--two villains or one?
Enjoyment of Customization in Multi User Online Games: A Survey Study with World of Warcraft and City of Heroes/Villains Players