F. A. Paley, Select Private Orations of Demosthenes

οὐκ ἐδεδίεις Phormion had paid these (at least the ἀρχαῖον, though not perhaps the interest, § 26), but μόλις, perhaps after being ‘dunned’ and threatened. Cf. Or. 37 § 38 καὶ ταῦτ᾽ ἀπειληφότι γλίσχρως καὶ μόλις παρὰ τούτου. The sense is, ‘it was more likely that you would have been afraid of them, than that you would have had such special care for Chrysippus, whom you had wronged before you left the harbour.’—πρᾶξιν, the right to enforce payment, by seizing your goods. Or. 56 §§ 35, 45.

καὶ νῦν κ.τ.λ. Further arguments ἐκ τῶν εἰκότων. ‘At Athens, where the compact was made (and therefore where you can be sued at law), you don't scruple to defraud the lender, while at Bosporus, where you were not likely to be sued, you pretend to have paid more than was due.’ There is an assumption here of fraudulent intention in οὐκ ὀκνεῖς ἀποστερεῖν, which is hardly fair.