blue-collarWiktionary 原文构词拆分blue词根/词干+collar词根/词干词源说明From blue + collar. From the color of rugged denim and chambray work shirts often worn by manual workers, as opposed to the white dress shirts typically worn by professionals and clerical workers.释义（英文）形容词 AdjectiveWorking class; engaged or trained in essentially manual labor.Pertaining to the culture of blue-collar workers.名词 NounA blue-collar worker.词族相关词（2）pink-collarwhite-collar