darse la vuelta
From LSJ
Ἐάν γάρ ἀποδιδῷ τις τί ἐστιν αὐτῶν ἑκατέρῳ τό ζῴῳ εἶναι, ἴδιον ἑκατέρου λόγον ἀποδώσει (Aristotle, Categoriae 1a) → For if anyone gives an explanation of what it is for each of them to be an animal, he will give the same explanation of each