狂人 (kuáng rén) — madman, maniac (person who is insane); (derogatory) an extremely arrogant or unbalanced person, a lunatic

Definition

Examples

• 那个狂人认为自己是皇帝。
  Nà ge kuáng rén rèn wéi zì jǐ shì huáng dì.
  That madman thinks he is the emperor.
• 他那种目中无人的态度，真像个狂人。
  Tā nà zhǒng mù zhōng wú rén de tài dù, zhēn xiàng gè kuáng rén.
  His arrogant attitude makes him really seem like a madman.
• 这些狂人主张极端的政策。
  Zhè xiē kuáng rén zhǔ zhāng jí duān de zhèng cè.
  These fanatics advocate extreme policies.