τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
adj.
P. and V. ἄπιστος. Perjured: Ar. and P. ἐπίορκος. Crafty: Ar. and V. δόλιος; see crafty.