se donner des airs signifie anglais

put on airs▼◼◼◼(become haughty, assume a haughty manner)
verb
[UK: ˈpʊt ɒn eəz] [US: ˈpʊt ɑːn ˈerz]

give oneself airs▼(to act pretentiously)
verb
[UK: ɡɪv wʌn.ˈself eəz] [US: ˈɡɪv wʌn.ˈself ˈerz]