lunatic [ˈlunətɪk]

例句:

• Malcolm looked at her as if she were a raving lunatic.
  马尔科姆看着她好像在看一个精神错乱的疯子。
  
• This murderous lunatic could kill them both without a second thought.
  这个杀人狂会不假思索地把他们两个都杀掉。
  
• The official dismissed the speech as the ramblings of a desperate lunatic.
  那位官员将演说斥为一个疯子绝望之中的胡说八道而不予理会。
  
• That may help explain the whole lunatic idea.
  来自SA
• I don't know why I behaved like a lunatic.
  来自NEWYORKER
• Are you a devil Or merely a lunatic practical joker?
  来自T. S. Eliot