of or designating manual industrial work or workers
of those who work for wages especially manual or industrial laborers- G.B.Shaw
同义词：propertyless, wage-earning, working-class
blue-collar详细解释
blue-col.lar adj.（形容词）Of or relating to wage earners, especially as a class, whose jobs are performed in work clothes and often involve manual labor.蓝领工人的：属于或和工薪阶层有关的，尤指其工作要求穿着工作服和从事体力劳动的阶层 【引伸】 blue.-col.lar n.（名词）
