English Dictionary

on one's high horse

prep_phrase

(idiomatic) Self-righteous; proceeding on the belief one is more correct or proper than others.

She's always on her high horse, thinking she's better than everyone else.

意味（1）

(idiomatic) Self-righteous; proceeding on the belief one is more correct or proper than others.

When she gets on her high horse there is not much to do but go along with it or wait for it to pass.