Russian roulette
noun [ U ] uk/ˌrʌʃ.ən ruːˈlet/ us/ˌrʌʃ.ən ruːˈlet/
俄罗斯轮盘赌（一种危险的游戏，参加者在能装6发子弹的左轮手枪中只装一发子弹，然后将枪口对准自己的头扳动扳机）
a very dangerous game of chance where each player aims at their own head with a gun that has one bullet in it and five empty chambers (= spaces where bullets could go)
（在某件重要事情上）冒着巨大的风险
the action of taking very serious risks with something important
Farmers are being forced to play Russian roulette with their futures. 农场主们被迫将未来置于极大风险之下。
Buying medication off the Internet is a game of Russian roulette. 从互联网上购买药品风险极大。