ποταμῷ γὰρ οὐκ ἔστιν ἐμβῆναι δὶς τῷ αὐτῷ → it is impossible to step twice in the same river, you cannot step twice into the same rivers
P. and V. ἀχρεῖος, οὐχ ἱκανός, ἀσύμφορος, P. ἀνεπιτήδειος.
unbecoming: P. and V. ἀσχήμων, P. ἀπρεπής; see unseemly.