nefarious [nɪˈferiəs]

例句:

• Southerners regarded Brown as part of a nefarious Northern plot.
  来自WSJ
• They erase all memories and evidence of their nefarious activities.
  来自SA
• Why make a whole village prisoner if it was not to some nefarious purpose?
  如果不是出于某种恶毒的目的，为什么把整村人囚禁起来？
  
• My father believes you all have a nefarious purpose here.
  我父亲认为你们都有邪恶的目的.
  
• He was universally feared because of his many nefarious deeds.
  因为他干了许多罪恶的勾当,所以人人都惧怕他.
  
• That doesn't mean the reasons for this are nefarious.
  来自SA