airs and graces
US /ˈɛrz ənd ˈɡreɪsɪz/
UK /ˈɛrz ənd ˈɡreɪsɪz/
1.
an affected manner intended to impress others; snobbish behavior
:
•
She puts on a lot of airs and graces when she's around important people.
•
Despite her wealth, she has no airs and graces.