沟沟坎坎 gōugōukǎnkǎn gullies and ridges Origin Definitions Defs Strokes Stroke Words Sentences Sents gōugōukǎnkǎn gullies and ridges 沟坎 溝坎 gōukǎn reduplication ditches and ridges A ditch or an embankment; a small gully or ridgegōugōukǎnkǎn ups and downs 沟坎 溝坎 gōukǎn reduplication hurdle A hard-to-pass place; an obstacle or critical juncture in one's life or work