εἰς πέλαγος σπέρµα βαλεῖν καὶ γράµµατα γράψαι ἀµφότερος µόχθος τε κενὸς καὶ πρᾶξις ἄκαρπος → throwing seeds and writing letters at sea are both a vain and fruitless endeavor
P. οὐδενὶ κόσμῳ, ἀτάκτως, χύδην, ἀναμίξ, P. and V. εἰκῆ, φύρδην (Xen.), or use adj., P. and V. συμμιγής (Plato), σύμμικτος.
they scattered all pell-mell: V. πάντ' ἄνω τε καὶ κάτω διέφερον (Euripides, Bacchae 753).