risk
n.
1. 危险,风险[C][U][(+of)]
He saved my life at the risk of losing his own.
他冒着生命危险救了我的性命。
He was ready for any risks.
他准备冒一切风险。
2. (保险业承担的)险;危险率;保险金额;保险对象[C]
vt.
1. 使遭受危险,以...作为赌注
The brave man risked his life in trying to save the child.
那位勇敢的人冒着生命危险试图救那孩子。
2. 冒...的风险[+v-ing]
They risked losing their jobs.
他们冒着失去工作的风险。
By criticizing her boss, she risked losing her position.
批评老板使她冒失去职位之险。
3. 冒险于[+v-ing]
I don't think they will risk holding an election.
我想他们是不会冒风险举行选举的。
riskiness
n.
1. 危险;冒险
Riskiness这词一般不常用,常用的是risk.虽然两个都有名词"危险"的意思.