什么是 rugged?Having a rough irregular surface. See Synonyms at rough.Having strong features marked with furrows or wrinkles: the rugged face of the old sailor. Having a sturdy build or strong constitution: a rugged trapper who spent months in the wilderness. Tempestuous; stormy: the rugged weather of the North Atlantic. Demanding great effort, ability, or endurance: the rugged conditions of barracks life. Lacking culture or polish; coarse and rude: rugged manners and ribald wit.