turn your nose up

US /tɜrn jʊər noʊz ʌp/
UK /tɜrn jʊər noʊz ʌp/
"turn your nose up" picture
1.

faire la fine bouche, dédaigner

to refuse to accept something because you feel that it is not good enough for you

:
She always turns her nose up at fast food.
Elle fait toujours la fine bouche devant la restauration rapide.
Don't turn your nose up at a good opportunity.
Ne tourne pas le nez devant une bonne opportunité.