rhythmically
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
English > Greek (Woodhouse)
adverb
P. and V. εὐρύθμως, P. μετὰ ῥυθμοῦ, ἐν ῥυθμῷ.
be rowed rhythmically: V. παγκρότως ἐρέσσεσθαι (Aesch., Supplices 723).