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

"I'm always trying to improve on my things," he said.

From BBC

"So a long way to go. A lot of things he knows he's going to be able to improve on, we'll look at those in the offseason."

From Barron's

“I’m trying to improve on my defense staying low, in my stance and staying in front of my man.”

From Los Angeles Times

Somehow, the school managed to improve on that last year, when proficiency reached 96% in reading and 100% in math.

From The Wall Street Journal

"He's not a proper ball-playing centre-back yet. Technically, there is a lot to improve on, but he's a smart kid and he can get there and become like a Virgil van Dijk."

From BBC