look down one's nose at

[look down one's nose at] {v. phr.}, {informal} To think of asworthless; feel scorn for.

The banker's wife has beautiful chinacups, and she looked down her nose at the plastic cups that Mrs. Brownused.

Harry has never had to work, and he looks down his nose atpeople in business.

Jerry was the athlete who looked down his noseat the weak student.