日行千里 rìxíngqiānlǐ rapid progress Origin Definitions Defs Strokes Stroke Words Sentences Sents 日 rì nounadjective daily daily; every day; day by day行 xíng verbnoun to go to walk; to go; to travel; (bound form) relating to travel or a journey千里 qiānlǐ a thousand li one thousand 里 lǐ; approximately 500 kilometers; used metaphorically to mean a very long distance