As Jumpei and Luou get used to the summer school class, they become involved in a friendly competition with some other boys from the class.
Just think about shortening 
the distance here.
فكّر في تقصير المسافة هنا فحسب
Stell dir vor, wie du
den Abstand hier zusammenziehst.
-Piensa en contraer esto.
-Sí.
-Piensa en contraer esto.
-Sí.
Contracte-moi ces muscles.
Attento. Pensa solo a contrarre qui.
Pense em diminuir a distância aqui.
Тебе нужно сократить это расстояние.