The stakes get even higher in the battle between Arc Ruler Erde and the combined team of Subaru and Itsuki when the duo from Seventh Flame learn that the price of failure is death. 
How shortsighted. 
Infantile. Narrow-minded.
يا لضيق النّظر والصّبيانيّة ومحدوديّة التّفكير
Wie kurzsichtig. Kindisch. Engstirnig.
Qué corto de miras e infantil.
Qué corto de miras e infantil.
Que c’est simpliste…
Come sei poco lungimirante, 
infantile e di mentalità ristretta.
Que falta de visão.
Infantilidade. Mente fechada.
Как недальновидно. Несерьёзно. Узколобо.