First semester is over and summer vacation starts tomorrow. Ryo is lectured by Ebihara and his parents for his poor grades. Not wanting to quit playing badminton, Ryo studies as hard as he can. Even the night before the team leaves for the Inter-High, Ryo diligently works on his assignments. Though he does his best to catch up on his studies, he eventually falls asleep at his desk. When he wakes up in the morning, he has the chills. Ryo turns pale when he realizes he's messed up. He's caught a cold...
Can't it only be called "working hard" 
once you've managed to keep up?
ألا يمكن تسميته "العمل بجدّ" بعدما تتمكن من مجاراته؟
Man kann doch erst von Erfolg
sprechen, wenn man durchhält.
¿Es que no puedes mantener
el esfuerzo que ya hiciste?
¿Es que no puedes mantener
el esfuerzo que ya has hecho?
T’avais pas décidé
de travailler d’arrache-pied ?
E impegnarsi non significa farlo solo una volta 
tanto per non rimanere indietro, no?
Só pode chamar de trabalho
duro se conseguir manter.
Ты обещал стараться. Разве можно
 назвать старанием один рывок для поступления?