vul.gar.ismn.(名词)Vulgarity.庸俗A crudely indecent word or phrase; an obscenity.下流话:粗俗下流的词或短语;下流话A word, phrase, or manner of expression used chiefly by uneducated people.俗语:主要是没受过教育的人用的词汇、短语或表达方式