worm in bitten apple

a discrete chance or opportunity to achieve something, as in “we better polish our sales pitch for tomorrow Phil, I don’t think we’re going to have another bite of the apple”; more than one of these for a given individual is often worth remarking on; similar to the term at-bats,1 a bit of jargon preferred in more sports-oriented environments, and used when the referenced opportunities are somewhat more numerous

  1. This term may require some familiarity with the sport of baseball to fully appreciate, as the other bat-and-ball game with some global reach, cricket, generally has limited at-bats in a game for a given player, although they can be far longer in duration.