gamble

/ˈgæmbəl/

take a risk in the hope of a favorable outcome

中文释义：冒险；赌博

He decided to gamble on starting his own business despite the risks.

他决定冒险创业，尽管存在风险。

Many people gamble on the stock market without proper research.

许多人在没有充分研究的情况下在股市中冒险。