Dam·o·cles /ˈdæməˌkliz/
  為Syracuse的國王Dionysius的臣下
  Damocles
       n : the Greek courtier to Dionysius the Elder who (according to
           legend) was condemned to sit under a naked sword that was
           suspended by a hair in order to demonstrate to him that
           being a king was not the happy state Damocles had said it
           was (4th century BC)