Si no has cometido alguna falta, ningun error, o simplemente no le debes nada a nadie, no tienes porque sentirte culpable, con remordimiento o con ningun temor a nada ni a nadie; puedes llevar tu nombre y honor en alto.
Well, I don't know exactly, but a few possibilities: In what season do you swim? (Testing knowledge of seasons, perhaps?) In what station (in this case, place, 'lugar') do you swim? Perhaps this...
"more than nothing/anything" is often given and would be correct in Spanish, but in Brazilian Portugese it is a put-down expression: "Yea, right / Don't be silly".