1. 冒险；投机；赌博
    A gamble is a risky action or decision that you take in the hope of gaining money, success, or an advantage over other people.

    e.g. Yesterday, he named his cabinet and took a big gamble in the process.
           昨天他冒了很大的风险任命了内阁成员。
    e.g. ...the French president's risky gamble in calling a referendum.
           法国总统决定举行全民公决的冒险之举

2. 冒险；碰运气；以…为赌注
    If you gamble on something, you take a risky action or decision in the hope of gaining money, success, or an advantage over other people.

gamble的翻译

    e.g. Few firms will be willing to gamble on new products...
           很少有公司愿意冒险开发新产品。
    e.g. They are not prepared to gamble their careers on this matter...
           他们不愿意把自己的事业押在这件事上。

3. （在纸牌、赛马等中）赌（钱）；赌博
    If you gamble an amount of money, you bet it in a game such as cards or on the result of a race or competition. People who gamble usually do it frequently.

gamble什么意思

    e.g. Most people visit Las Vegas to gamble their hard-earned money...
           大多数人拿着辛苦挣来的钱去拉斯维加斯赌博。
    e.g. John gambled heavily on the horses...
           约翰在这几匹马上下了很大的赌注。