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.
I suck at that stuff.
Ich kann sowas überhaupt nicht.
Yo sería pésimo en eso.
A mí se me da fatal.
Moi, je suis nul à ça, par exemple.
Io sono totalmente negato.
Eu seria péssimo nisso.
Я в таких вещах полный ноль.