εἰς τετρημένον πίθον ἀντλεῖν → run water into a punctured pitcher, to the perforated jar bale water, labour in vain, labor in vain
τυφλόω, θέλγω, ἐκτυφλόω, ἀποτυφλόω, ἐξομματόω, σκοτόω, ἀντιλάμπω, ἀμέρδω