come within an ace of something

come within an ace of something

BRITISH
If you come within an ace of something, you very nearly succeed in doing it. Note: In many card games, the ace is the card with the highest score. She had just watched her hero come within an ace of a place in the quarter finals. Note: You can also say that someone is within an ace of something They were within an ace of solving the problem. Note: In this expression, `ace' refers to a score of one on a dice, rather than a playing card.
See also: ace, come, of, something, within