Touya and Minori and the rest of the players in the training camp are hitting a wall with the way they fight.  And Minori's suggestion is that they introduce themselves to one another!
I admit my ignorance and 
lack of understanding.
Ich gebe meine Unwissenheit
und mein mangelndes Verständnis zu.
Admito mi ignorancia y 
falta de entendimiento.
Force est de reconnaître
ma bêtise et mon ignorance.
Ametto la mia ignoranza
e mancanza di comprensione.
Admito a minha ignorância 
e falta de conhecimento.
Я готов признать свою ошибку.