She had an affected air and a disdainful look.

她不仅做作，而且还有一副瞧不起人的样子。

She's always been disdainful of people who haven't been to college.

她总是瞧不起那些未念过大学的人。

He is highly disdainful of anything to do with the literary establishment.

他对任何涉及文学机构的事都极端的蔑视。

Snape stared at Harry with a disdainful look.

斯内普轻蔑的看了一眼哈利。

Nor Grandeur hear with a disdainful smile.

高贵的人也勿对他们冷笑。