“Double down” means to commit fully to a risky choice, from blackjack where you...

https://www.deltabookmarks.win/double-down-means-to-commit-fully-to-a-risky-choice-from-blackjack-where-you

“Double down” means to commit fully to a risky choice, from blackjack where you double your bet for one last card. Learners often think it’s about hesitation or withdrawing—actually, it’s doubling effort, not backing off