бьющий без промаха

From LSJ

οὔτ' ἐν φθιμένοις οὔτ' ἐν ζωοῖσιν ἀριθμουμένη, χωρὶς δή τινα τῶνδ' ἔχουσα μοῖραν → neither among the dead nor the living do I count myself, having a lot apart from these

Source

Russian > Greek

εὔσκοπος, ἐΰσκοπος, εὔστοχος, ἐΰστοχος, εὔθηρος