an action that you take when you know there is a risk but when you hope that the result will be a success 赌博；打赌；冒险
She knew she was taking a gamble but decided it was worth it.
她知道是在冒险，但她认为冒这个险值得。
🔊🔊
They invested money in the company right at the start and the gamble paid off (= brought them success).
他们一开始就把资金投到这家公司，结果这一冒险获得了成功。