ὥσπερ ἀνέµου 'ξαίφνης ἀσελγοῦς γενοµένου → just as when a wind suddenly turns foul, just as when a wind suddenly turns nasty
μἀμελεῖν: κατ’ Ἀττ. κρᾶσιν ἀντὶ μὴ ἀμελεῖν.