What should be an easy win for Ooyama's team in the scrimmage grows more complicated when Touma can't throw his full heat to an inexperienced catcher.
but it's harder to 
maintain when holding back.
لكن من الأصعب الحفاظ عليها عند التردّد
aber wenn er sich zurückhalten muss,
kann er das kaum halten.
pero, si guarda fuerzas,
ya no controla tan bien.
pero, si se retiene,
ya no controla tan bien.
mas perde o controle, quando pega leve.
но когда сдерживается —
всё не так хорошо.