The Mizusawa High School karuta club is gaining experience by participating in tournaments.  However, Chihaya's grades are so bad that she is no longer allowed to participate, leaving Taichi to attend the next tournament by himself.  There, he runs into Arata, who's returned to karuta.  When Taichi and Chihaya see Arata playing karuta...
If she used 1/10 of that 
focus on studying,
Si usara una décima parte de 
esa concentración estudiando,
Si usara una décima parte de 
esa concentración estudiando,
Se ela usasse 1/10 desse foco
 nos estudos,