快步 kuàibù quick step Origin Definitions Defs Strokes Stroke Words Sentences Sents kuàibù quick step 快 kuài adjective fast rapid; quick; at high speed步 bù noun step a step; a pace; the distance covered by a single stepkuàibù quickstep 快 kuài adjective fast rapid; quick; at high speed步 bù nounmeasure word stage a stage in a process; a step in a set of instructions or a sequence of events; also used as a measure word for stages