scot-free /ˈskɑtˈfri/
  (a.)不受處罰的,無傷的,平安的
  Scot-free a. Free from payment of scot; untaxed; hence, unhurt; clear; safe.
     Do as much for this purpose, and thou shalt pass scot-free.   --Sir W. Scott.
     Then young Hay escaped scot-free to Holland.   --A. Lang.
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