The Iwatobi Swim Club needs one more member before it can participate in relays.  Nagisa has set his sights on his classmate Rei, who is a member of the track team.  Despite Rei's refusal to join, but Nagisa appears intent on recruiting Rei into the swim club.
That means we have permission to swim
Das heißt wir dürfen ab jetzt
Quiere decir que esta vez 
tenemos permiso para nadar
Lo que quiere decir que 
esta vez sí tenemos permiso
Ça veut dire que maintenant,
Questo significa che abbiamo il permesso
Quer dizer que, estamos 
autorizados a nadar
Значит, у нас есть разрешение
на использование