to double down
[phrase form: double]
01
加倍努力, 更加坚定
to become more determined or committed to a course of action or one's beliefs, especially when facing challenges or criticism
例子
Instead of giving up, the team doubled down on their efforts, putting in extra hours to finish the project on time.
团队没有放弃，而是加倍努力，投入额外的时间按时完成项目。
02
加倍下注, 进行双倍下注
(in blackjack) to increase the initial bet after receiving the first two cards, with the agreement to draw only one additional card
例子
The player decided to double down when they were dealt a 9 and a 2, hoping for a good third card to improve their hand.
当玩家拿到9和2时，他们决定加倍，希望能拿到一张好的第三张牌来改善手牌。
