introvert [ˈɪntrəvɜ:rt]

例句:

• The introvert gets angry; the extrovert feels hurt.
  来自WSJ
• The music students here are a very introvert lot.
  这里学音乐的学生都非常不爱交际。
  
• That young man is an introvert.
  那个年轻人是一个性格内向的人.
  
• You are very much an introvert.
  你是一位地道的内向性格者.
  
• The introvert sits in a corner and dreams of what should be.
  来自A. S. Neill
• We also value famous introvert scientist.
  来自SA