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
Lārĭus: ii, m.,
I a lake in Gallia Cisalpina, on which Comum lay, now Lago di Como, Verg. G. 2, 159; Plin. Ep. 9, 7, 1; Plin. 3, 19, 23, § 131.—Hence, Lārĭus, a, um, adj., of Larius, Larian: Larium litus, Cat. 35, 4.