τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
return: P. and V. ἐπανέρχεσθαι, ἀνέρχεσθαι.
happen: P. and V. γίγνομαι, γίγνεσθαι.
revolve: P. περιφέρεσθαι.