The Kitakomachi badminton club is hard in training for the upcoming Inter-High preliminaries. Riko is revved up to play in her last tournament, but when she receives her match-ups, she goes from elated to despondent.
Um, if it's too short, it might 
be hard to concentrate.
إن كانت قصيرة جداً فقد
يكون من الصّعب التّركيز
Also …
Si es muy corto,
podría ser difícil concentrarse…
Si es muy corto,
podría ser difícil concentrarse…
Hm... Se for curto demais, talvez 
 seja difícil para se concentrarem.