look down on
US /lʊk daʊn ɑn/
UK /lʊk daʊn ɑn/

1.
menospreciar, despreciar
to consider someone or something as inferior, or to have a low opinion of them
:
•
She tends to look down on people who haven't been to college.
Ella tiende a menospreciar a las personas que no han ido a la universidad.
•
Don't look down on him just because he's from a small town.
No lo menosprecies solo porque es de un pueblo pequeño.