ἀμβλέως
From LSJ
τραχὺς ἐντεῦθεν μελάμπυγός τε τοῖς ἐχθροῖς ἅπασιν → he is a tough black-arse towards his enemies, he is a veritable Heracles towards his enemies
Russian (Dvoretsky)
ἀμβλέως: слабо, неясно: κατ᾽ ἀρχὰς μὲν ἀκριβέστερον, τελευτῶν δὲ ἀμβλύτερον Plat. вначале с большей, а в конце с меньшей точностью.