tuve la desgracia de encontrármelo en el cineI had the misfortune to or I was unfortunate enough to run into him at the cinema
estar en desgraciato have constant bad luck
en la desgracia se conoce a los amigosa friend in need is a friend indeed
la familia ha sufrido una serie de desgraciasthe family has suffered a series of misfortunes
ha ocurrido una desgraciasomething terrible has happened
ha muerto, ¡qué desgracia!she has died, what a terrible thing (to happen)!
estos niños sólo me traen desgraciasthese children are nothing but trouble
no hay que lamentar desgracias personalesthere were no casualties