Cadmean victory
 損失極大的勝利


 Cad·me·an a.  Of or pertaining to Cadmus, a fabulous prince of Thebes, who was said to have introduced into Greece the sixteen simple letters of the alphabet -- α, β, γ, δ, ε, ι, κ, λ, μ, ν, ο, π, ρ, σ, τ, υ. These are called Cadmean letters.
 Cadmean victory, a victory that damages the victors as much as the vanquished; probably referring to the battle in which the soldiers who sprang from the dragon's teeth sown by Cadmus slew each other.  Similar to a Pyhrric victory.

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