foot soldierWiktionary 原文英/fʊt ˈsəʊl.d͡ʒə/美/fʊt ˈsoʊl.d͡ʒər/构词拆解foot词干+soldier词干词源说明From foot + soldier.释义名词noun1(military) A soldier who fights on foot; an infantryman2figurative, by extensionA rank and file member of an institution, or supporter of a cause.