τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
(see also: παραποιέω) counterfeit, forge
imitando adulterare, to falsify by imitating, 1.132.5.
