τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
zealously: P. and V. προθύμως, σπουδῇ.
exceedingly: P. and V. σφόδρα, πολύ, Ar. and V. κάρτα (rare P.).