bet 指竞赛中的打赌，也指双方对有疑惑之事争执不下的打赌。在口语中，bet作“确信，敢说”解。
gamble 多指投机，为获得某物或牟利而冒大险，含孤注一掷意味。
参考例句
1. I bet that it will snow tomorrow. 我敢说明天一定会下雪。
2. I bet you are the same. 我敢打赌你也是相同的。
3. Bet a certain percentage of your bankroll. 打赌了一某百分比的你资金。
英英解释
n.
1. the money risked on a gamble
2. the act of gambling v.
1. maintain with or as if with a bet
2. stake on the outcome of an issue
3. have faith or confidence in
