look down your nose at
US /lʊk daʊn jʊər noʊz æt/
UK /lʊk daʊn jʊər noʊz æt/

1.
coi thường, khinh thường
to think that you are better than someone or something, or to treat someone or something as if you are better than them
:
•
She always looks down her nose at people who didn't go to college.
Cô ấy luôn coi thường những người không học đại học.
•
Don't look down your nose at simple jobs; they are often very important.
Đừng coi thường những công việc đơn giản; chúng thường rất quan trọng.