improve upon

What Virgil meant by that,” Thomas explains, “is that to steal means to improve upon, which is basically what Dylan is doing.

I'm curious as to your opinions of this setup - do you have any suggestions for ways I can improve upon it?

When nectarines are sweet, they need nearly no additional sugar to improve upon their flavor.

One could improve upon them, too, with imagination and wit and a natural gift for terms.

If it be desirable to improve upon our speech, its present condition and tendencies must first be determined.

True, the vanity of a particular rhapsodist might readily induce him to suppose that he could improve upon Homer.

"You may lead a horse to water but you cannot make it drink," may be an old adage, but it would be hard to improve upon it.

But the result resulted—the effect was produced: and it was left to those who were clever enough to improve upon the means.