一步一趋

see 亦步亦趨|亦步亦趋[yi4 bu4 yi4 qu1]

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

surname Bu

a step / a pace / walk / march / stages in a process / situation

to hasten / to hurry / to walk fast / to approach / to tend towards / to converge