Bulgarian-English translations for учудване

• astonishment
• disbelief
  She cried out in disbelief on hearing that terrorists had crashed an airplane into the World Trade Center in New York City
  I stared in disbelief at the Grand Canyon
• surprise
  It was a surprise to find out I owed twice as much as I thought I did
  Imagine my surprise on learning I owed twice as much as I thought I did
  It surprises me that I owe twice as much as I thought I did.