mass noun
- the feeling that someone or something is unworthy of one's consideration or respect; contempt鄙视, 蔑视：
her upper lip curled in disdain
她充满蔑视地撇了撇上唇
an aristocratic disdain for manual labour.
对体力劳动的一种贵族式的蔑视。
with obj.
1- consider to be unworthy of one's consideration鄙视; 蔑视：
gamblers disdain four-horse races.
赌徒们认为四马竞赛不值一赌。
1.1
- refuse or reject (something) from feelings of pride or superiority鄙弃; 傲慢地拒绝（某物）：
she remained standing, pointedly disdaining his invitation to sit down
她仍然站着, 显然对他入座的邀请不屑一顾
with infinitive he disdained to discuss the matter further.他傲慢地拒绝进一步讨论这个问题。
词源
Middle English: from Old French desdeign (noun)， desdeignier (verb)， based on Latin dedignari, from de- (expressing reversal)+dignari 'consider worthy' （from dignus 'worthy'）.