流水行云 liúshuǐxíngyún smooth and natural Origin Definitions Defs Strokes Stroke Words Sentences Sents 流水 liúshuǐ verb running water flowing or running water行 xíng verbnoun to go to walk; to go; to travel; (bound form) relating to travel or a journey云 雲 yún noun cloud cloud; any cloud-like mass of smoke, dust, or steam in the air