The current third-years were called "the hopeless year" when they joined. Their upperclassmen had lost all hope for them, but they diligently practiced, continuously encouraging each other. Their hard work changed their rivalry for each other into trust.
so it may be unimaginable for you,
also kannst du es 
dir vielleicht nicht vorstellen,
así que es lógico que no le crean.
así que es lógico que no os lo creáis.
c’est tout à fait normal,
então deve ser inimaginável,