步步為營

to advance gradually and entrench oneself at every step / to consolidate at every step

surname Bu

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

step by step / at every step

as (in the capacity of) / to take sth as / to act as / to serve as / to behave as / to become / to be / to do / by (in the passive voice)

because of / for / to

camp / barracks / battalion / to build / to operate / to manage / to strive for