hazard

n. 冒险,危险,危害
v. 冒...的危险,赌运气

There are many serious health hazards associated with smoking.

许多危害健康的情况都与吸烟有关。

He hazarded all his money in the attempt to save the business.

他为挽救这家企业，不惜冒险投入他的全部金钱。