梟きょう敵てき

noun

treacherous enemy; formidable foe

Refers to an enemy who is both powerful and treacherous; often used in historical or literary contexts.

• 彼かれは生しょう涯がいの梟きょう敵てきとしてその名なを歴れき史しに刻きざんだ。

  He etched his name in history as a lifelong treacherous enemy.

• この戦たたかいで、ついに梟きょう敵てきを討うち取とった。

  In this battle, they finally defeated their formidable foe.