ἐν φυλακῇ ἔχειν
From LSJ
κρείσσων γὰρ ἦσθα μηκέτ' ὢν ἢ ζῶν τυφλός → thou wert better not alive, than living blind | you were better not alive, than living blind
Greek > English (Woodhouse)
hold in bondage, keep in custody, keep in ward, keep under guard, keep under restraint, keep under surveillance