The Iwatobi Swim Club has a full roster now.
As they begin to practice, they run into a little trouble.
After a certain member claims that his swimsuit is to blame, the club makes a trip to buy new swimsuits.
Why don't you guys teach him?
Warum bringt ihr es ihm nicht bei?
Si es algo así enséñenle ustedes.
Enseñadle vosotros 
mismos, que es muy fácil.
Débrouillez-vous.
Perché non gli insegnate voi?
Por que vocês mesmos não ensinam a ele?
Почему бы вам его не научить?