κακῶς ποιεῖν
From LSJ
Θέλομεν καλῶς ζῆν πάντες, ἀλλ' οὐ δυνάμεθα → Bene vivere omnes volumus, at non possumus → Gut leben wollen wir alle, doch wir können es nicht
Greek > English (Woodhouse)
harm, injure, do a bad turn, do in injury, do one a bad turn, evilly entreat, treat ill, use ill