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
σέων: γεν. πληθ. τοῦ σής.
σέων: γεν. πληθ. του σής.
σέων gen. plur. van σής.
σέων: gen. pl. к σής.
