adversity [adversities](state of being adverse) noun [UK: əd.ˈvɜː.sə.ti] [US: æd.ˈvɝː.sə.ti]Adversity is the best school. = La adversidad es la mejor escuela.
misfortune [misfortunes](an undesirable event such as an accident) noun [UK: ˌmɪs.ˈfɔː.tʃuːn] [US: ˌmɪs.ˈfɔːr.tʃən]
en la fortuna y en la adversidadpreposition
for better or worse(No matter what the future may hold) preposition [UK: fɔː(r) ˈbe.tə(r) ɔː(r) wɜːs] [US: ˈfɔːr ˈbe.tər ɔːr ˈwɝːs]