ἀκαταλλάκτως
From LSJ
πολλὰ μεταξὺ πέλει κύλικος καὶ χείλεος ἄκρου → there is many a slip twixt cup and lip, there's many a slip twixt cup and lip, there's many a slip 'twixt cup and lip, there's many a slip twixt the cup and the lip, there's many a slip 'twixt the cup and the lip
Russian (Dvoretsky)
ἀκαταλλάκτως: непримиримо (πολεμεῖν Dem.): ἀ. πρός τινα ἔχειν Polyb. непримиримо относиться к кому-л.