1 (pero) but no son ocho sino nueve there are not eight but nine; no lo hace solo para sí sino para todos he's not doing it only for himself but for everybody; no solo ..., sino ... not only ..., but ...; no cabe otra solución sino que vaya él the only answer is that he should go
2 (salvo) except; save todos aplaudieron sino él everybody except him applauded; no lo habría dicho sino en broma he could only have said it jokingly; he wouldn't have said it except as a joke
3 (únicamente) only ¿quién sino él se habría atrevido? only he would have dared!; no te pido sino una cosa I ask only o but one thing of you