give oneself airs
From LSJ
Καιροῦ τυχὼν καὶ πτωχὸς ἰσχύει μέγα → Mendicus etiam saepe valet in tempore → Zur rechten Zeit vermag sogar ein Bettler viel
English > Greek (Woodhouse Extra)
ἁβρύνεσθαι, τρυφᾶν, φρονεῖν μέγα, ὑπερφρονεῖν, σεμνύνεσθαι, χλιδᾶν, πνεῖν μεγάλα
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