When Orochimaru's poison leaves Guy-sensei completely bald, it's up to Lee and the gang to find him the right wig. Our beloved narrator comes down with a bad cold, and much to Tenten and Neji's chagrin, Lee's his temporary replacement.
I don't think effort can 
overcome that barrier.
No creo que el esfuerzo pueda 
sobrepasar esa barrera.
No creo que a base de esfuerzo 
pueda superar esa barrera.
Não acho que esforço 
possa quebrar essa barreira.