improve on

Idioms  

1. Make beneficial additions or changes to, as in The company is trying to improve on the previous model. [Late 1600s]

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Example Sentences

"While it was one of the best performances we have produced as a team in Cardiff there are plenty of areas to improve on," he added.

From BBC

"For the share price, this is quite big and this latest development can remove some of these concerns and improve on the valuation."

From Reuters

“The way the game’s going, you want to be able to help offensively, especially because of the offensive defensemen we have in the league right now. I feel I can complement them well but it’s something I want to continue to improve on and help the team out if I’m able to.”

From Los Angeles Times

And while there’s an effort to improve on Russo’s sketching of women — I’m not sure how this could work as long-form TV otherwise — the development of characters like Gracie is still a work-in-progress.

From New York Times

“To win a title on clay is a different kind of feeling. You really have to earn it, you need to run a lot. I lose a couple of finals this year, and to turn around here and win the biggest title of the year ... I came to South America with the intention to improve on clay. My game can be well suited.”

From Washington Post