Cha·ryb·dis /kəˈrɪbdəs ||ʃə ||ʧə-/
  一種危險的漩渦
  Cha·ryb·dis n.  A dangerous whirlpool on the coast of Sicily opposite Scylla on the Italian coast. It is personified as a female monster. See Scylla.
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  Charybdis
       n : (Greek mythology) a ship-devouring whirlpool lying on the
           other side of a narrow strait from Scylla