If in your language you have to name the person who curses someone, state God. AT: "to say for God to curse him" (See: [[rc://en/ta/man/translate/figs-idiom]])
This idiom means that he was overwhelmed with grief and lost control of his emotions. AT: "he was overwhelmed with grief" or "he lost control of his emotions" (See: [[rc://en/ta/man/translate/figs-idiom]])