εἰς τὸν τετρημένον πίθον ἀντλεῖν → run water into a punctured pitcher, to the perforated jar bale water, labour in vain, labor in vain
subs.
P. and V. κόλπος, ὁ. Abyss: P. and V. χάσμα, τό, V. βάθος, τό, χάρυβδις, ἡ, Ar. and V. βυθός, ὁ.