take a/one's chance
accept the risk of failure or loss（as in planning or starting sth．）；
gamble on；venture on 打赌；冒险；碰运气
Won't you take a chance on the price？你愿对这个价格打赌吗？
You're taking a chance if you go out in weather like this without an umbrella．这样的天气出门不带伞，你有点侥幸心理。
I don't think I'll get the job but I'm willing to take my chance and ask for it．我想我难以谋得那份工作，但我想碰碰运气提出申请。