measure word, verb, noun, adverb, numeral, modal particle, punctuation, directional · a single step, pace, or the physical act of walking or marching

他向前跨了一大步。

measure word, verb · a stage, phase, or step in a process or sequence of events

这是完成项目的最后一步。

measure word, particle, modal particle, adverb, punctuation · a state of affairs or a position reached in a particular situation

事情既然已经到了这一步，我们只能尽力而为了。

proper name · surname Bu

步先生是这里的负责人。