Εἴκειν δ᾽ οὐκ ἐπίσταται κακοῖς → You don’t know how to yield to your misfortunes
(see also ἀποκωλύω): prevent
prohibere, to prevent, hinder, 1.72.2, 3.28.1, 6.88.5, [vulgo commonly ἀπεκώλυον.].