διαμελετάω
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 (LSJ)
A practise diligently, Pl.Prm.126c:—Med., Max.Tyr. 7.7:—Pass., Pl.Lg.830b, cf. Sm.Ps.76(77).13: c. inf., δ. τοῦ θανάτου καταφρονεῖν Iamb.Protr.20.
German (Pape)
[Seite 589] gründlich durchüben, überlegen, λόγους, Plat. Parm. 126 c; vgl. Legg. VIII, 880 b.
Greek (Liddell-Scott)
διαμελετάω: ἐπιμελῶς ἀσκοῦμαι, γυμνάζομαι, Πλάτ. Παρμ. 126C, Νόμ. 830Β.