turn your nose up
US /tɜrn jʊər noʊz ʌp/
UK /tɜrn jʊər noʊz ʌp/

1.
깔보다, 경멸하다
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.
그녀는 항상 패스트푸드를 깔본다.
•
Don't turn your nose up at a good opportunity.
좋은 기회를 깔보지 마라.