τῆς αἰδοῦς ὀλίγην ποιήσασθαι φειδώ → to have little consideration for self-respect
stubbornly: Ar. and P. αὐθάδως, P. σκληρῶς.
mercilessly: V. νηλεῶς, ἀνοίκτως, ἀναλγήτως, P. σχετλίως, P. and V. πικρῶς.