反はん転てん攻こう勢せいMeaningsNoun1. counteroffensiveKanji used反be against転roll around攻attack勢vigorComposed of反はん転てんrolling over; turning over; turning around (the other way); reversal (of direction, course, etc.); inversion; flipping; producing a positive from a negative; producing a negative from a positive; circle inversion; plane inversionNoun攻こう勢せいoffensive (movement); aggressionNoun