力爭上游

to strive for mastery (idiom); aiming for the best result / to have high ambitions

power / force / strength / ability / strenuously

to work hard for / to do all one can / to contend strongly

to strive for / to vie for / to argue or debate / deficient or lacking (dialect) / how or what (literary)

used in 上聲|上声[shang3 sheng1]

(bound form) up; upper; above; previous / first (of multiple parts) / to climb; to get onto; to go up / to attend (class or university) / (directional complement) up / (noun suffix) on; above

upper reaches (of a river) / upper level / upper echelon / upstream

surname You

to swim / variant of 遊|游[you2]

to walk / to tour / to roam / to travel