τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
con-flexus: a, um, Part. flecto,I bowed, bent, Plin. 2, 44, 44, § 115.