unimaginable [ˌʌnɪˈmædʒɪnəbl]

例句:

• The children here have lived through unimaginable horrors.
  这里的孩子经历了难以想象的恐惧。
  
• This level of success would have been unimaginable just last year.
  取得这样的成就，这在仅仅一年前都是不敢想象的。
  
• Such speed of travel was unimaginable before the railway age.
  这样的车速在铁路时代之前是不可想像的.
  
• Unimaginable acts of torture took place within its walls.
  来自NEWYORKER
• The pain caused to innocent people is unimaginable.
  来自WSJ
• It's an unimaginable hell, Elder said.
  来自VOA