No one knows until the end of the game whose hidden card is the winner. Often, the ace in the hole wins the game.
The lawyer's ace in the hole was a secret witness who had seen the accident.
A good negotiator always has more than one ace in the hole.
His strength in a crisis be an ace in the hole
Navy and Air Force dominate easily, and a huge nuclear deterrent as an ace in the hole, and the United States is easily the most strategically secure great power in history.
AIPAC's ace in the hole is the idea that it represents Jewish interests in a country that is generally philo-Semitic.
Our superior technology is our ace in the hole.
His strength in a crisis is an ace in the hole.
He knows something about the boss, which is his ace in the hole.
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