ἀεί ποτ' εὖ μὲν ἀσκός εὖ δὲ θύλακος ἅνθρωπός ἐστι → this guy's always good at being a wineskin, and at times a winesack
η κακός 1. κακή γριά, κακόγρια 2. (γενικά) γριά.