The pair was practicing throwing the discus when a discus thrown by Apollo was blown off course by the jealous Zephyrus and struck Hyacinthus in the head, killing him instantly.
ðə pˈɛɹ wʌz pɹˈæktɪsɪŋ θɹˈoʊɪŋ ðə dˈɪskəs wɛn ɐ dˈɪskəs θɹˈoʊn baɪ ɐpˈɑːloʊ wʌz blˈoʊn ˈɔf kˈoːɹs baɪ ðə dʒˈɛləs zˈɛfɪɹəs ænd stɹˈʌk hˈaɪɐsˌɪnθəs ɪnðə hˈɛd, kˈɪlɪŋ hˌɪm ˈɪnstəntli.