μηδὲν κοτυλίζειν, ἀλλὰ καταπάττειν χύδην → not to sell by the cupful, but to dole out indiscriminately | not to sell by retail but wholesale
blind: P. and V. τυφλοῦν (Plato), ἐκτυφλοῦν (Xen., also Ar.).
Met., lead astray: P. and V. παράγειν, ἀπατᾶν, ἐξαπατᾶν; see deceive.