To improve one's performance, or the quality of one's work.
lift one's game
To improve one's performance through practice or additional effort.
above the curve
With above average innovative performance or quality, especially a tra…
shape up or ship out
To either improve one's behavior or else be required to leave; to eith…
make trial of
To check the quality, reliability, performance or genuineness of (some…
quality over quantity
An idiom emphasizing the preference for high-quality items or experien…
game face
The expression of one who is prepared for or is facing a lot of diffic…