τούτοις οὐκ ἔστι κοινὴ βουλή → they have no common ground of argument, they have no common agenda
[Seite 980] υρος, ὁ, ἡ, Mitzeuge; ξυμμάρτυρας ὔμμ' ἐπικτῶμαι, Soph. Ant. 839, ich nehme euch zu Zeugen; Plat. Phil. 12 b.
