improve on
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The breakthrough revived the program and led the industry to produce and improve on Compound E, renamed cortisone, yielding medicines such as Merck’s own Decadron.
From The Wall Street Journal ● Sep. 18, 2026
Today’s version would expand and improve on Medicare.
From Los Angeles Times ● Sep. 3, 2026
It was always likely Pakistan would improve on their performance from Leeds, simply because the tourists could not play much worse.
From BBC ● Aug. 27, 2026
Russell's team-mate Kimi Antonelli was the first to improve on his final lap, briefly rising to the top of the times.
From BBC ● Aug. 22, 2026
God had done a wonderful job when he built the Mississippi and there could be no way to improve on what nature had done.
From "Life Is So Good" by George Dawson
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
