To be disdainful means to dislike something or someone because you think they are unimportant or not worth your attention.
例句
He is highly disdainful of anything to do with the literary establishment...他对任何与文学界权威沾边的事都嗤之以鼻。Edgar cast a disdainful look at his twin.埃德加朝他的双胞胎兄弟投去鄙夷的目光。
英汉词典释义
adj.
轻蔑的,蔑视的
He is disdainful of danger.他藐视危险。He’s disdainful of anyone from America.美洲来的人他都瞧不起。
adv.
英英词典释义
Adjective
1. expressing extreme contempt
2. having or showing arrogant superiority to and disdain of those one views as unworthy;
"some economists are disdainful of their colleagues in other social disciplines""haughty aristocrats""his lordly manners were offensive""walked with a prideful swagger""very sniffy about breaches of etiquette""his mother eyed my clothes with a supercilious air""shaggy supercilious camels""a more swaggering mood than usual"- W.L.Shirer