Step up (one's) game informal verb phrase
To enhance one's performance, or the quality of one's work in order to do as well as others
My brother has got an A in Math. I need to step up my game if I want to receive a special gift from my parents.
It seems that you need to step up your game if you wanna compete with her.
Rapidly or quickly; rapid increase, progress or development
To boost one's knowlege and experience
To change someone or something into the good condition that you would like
The verb "step" should be conjugated according to its tense.
Manage to earn enough money to buy food and other essential things
She works two jobs at the same time in order to keep the wolf from the door.