εἰς τὸν τετρημένον πίθον ἀντλεῖν → run water into a punctured pitcher, to the perforated jar bale water, labour in vain, labor in vain
ἄφατος, ἀμήχανος, ἀμάχανος, ἄφραστος, ἄλεκτος, ἀδιήγητος, οὐκ ὀνομαστός