obdurate [ˈɑ:bdərət]

例句:

• The dons remained obdurate until...forced...to change their tune.
  来自N. Annan
• Parts of the administration may be changing but others have been obdurate defenders of the status quo.
  政府的一些部门可能正在作出改变，但是其他部门却执意维护现状。
  
• A third group were obdurate and still wanted to wait and see.
  第三部分人则是顽固地还要等着看.
  
• The child's misery would move even the most obdurate heart.
  这个孩子的悲惨遭遇即使最冷酷的心肠也会为之动情.
  
• It creates out of paper a heavy, obdurate permanency.
  来自NEWYORKER
• The closest English gets to it is the word obdurate'.
  来自BBC