"Too Easy"

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Across
  1. 4. unimportant
  2. 6. move faster
  3. 9. surprised
  4. 13. to let someone know
  5. 14. strong
Down
  1. 1. burst
  2. 2. unbelievable
  3. 3. flinched
  4. 5. suddenly
  5. 7. notice
  6. 8. make it fade
  7. 10. to cause pain
  8. 11. not normal
  9. 12. steady beat