Δελφῖνα νήχεσθαι διδάσκεις: ἐπὶ τῶν ἐν ἐκείνοις τινὰ παιδοτριβούντων, ἐν οἷς ἤσκηται → Teaching dolphins to swim: is applied to those who are teaching something among people who are already well versed in it
ὀλῐγοδρανέων: -έουσα. (δράω, δραίνω) Ἐπιχ. μετοχ., ὁ ὀλίγα νὰ πράξῃ δυνάμενος, ἀσθενής, ἀδύνατος, Ἰλ. Ο. 246, Π. 843, Χ. 337· οὐδαμοῦ ἐν τῇ Ὀδ.· - πρβλ. ὀλιγηπελέων.
