To look down on someone; to regard someone as inferior or treat them condescendingly. It can also mean to look down from a higher physical position, but usually implies contempt.
彼は部下を見下すような言い方をして、チームの士気を下げた。
He spoke to his subordinates in a condescending way and lowered the team's morale.
学歴だけで人を見下してはいけない。
You shouldn't look down on people just because of their academic background.
丘の上から町を見下すと、小さく見える家々が並んでいた。
Looking down at the town from the hill, the houses looked small and lined up.
そんなに人を見下す態度はやめてください。
Please stop behaving like you're superior to others.