risk1/rIsk; rIsk/n 1 [C,U] a possibility that something bad or dangerous may happen [→ danger, chance] 风险﹐危险(性): risks involved in starting a small business 创办小公司涉及的各种风险+of There is a slight risk of infection. 有轻微的受感染的危险。the risk of serious injury 受重伤的危险+(that) There is a real risk that the wheat crop may be lost. 小麦很可能会颗粒无收。+to Scientists believe there is no risk to public health. 科学家认为对公众健康没有危害。increase/reduce the risk of sth Healthy eating can reduce the risk of heart disease. 健康的饮食可以减少患心脏病的风险。Nothing is worth the risk of losing your life. 不管是什么事﹐都不值得冒失去生命的危险。2 take a risk to do something even though you know it is dangerous or you may not succeed 冒险: Are you willing to take the risk ? 你愿意冒这个险吗?take the risk of doing sth I couldn’t take the risk of leaving him alone. 我不能冒险把他单独留下。3 run the risk to be in a situation where there is a possibility that something bad could happen to you 冒险: run the risk of doing sth Travellers without passports run the risk of being arrested. 不带护照旅行的人有被逮捕的危险。4 at risk in a situation where you may suffer or be harmed 有危险﹐受到威胁: +from people at risk from AIDS 有染上艾滋病危险的人+of Many high school boys are at risk of joining gangs. 许多中学男生都有加入帮派团伙的危险。The smallest mistake could put patients at risk . 哪怕是极小的失误都可能让病人遭受危险。5 at your own risk if you do something at your own risk, you have been warned about the possible dangers and you understand that no one else is responsible if something bad happens 自担风险﹐责任自负: Cars are left at your own risk. 在此停车﹐责任自负。6 [C] something or someone that is likely to be dangerous 可能带来危险的事物[人]: +to Heart disease is the greatest health risk (=something likely to harm people's health) to women over 50. 心脏病对 50 岁以上女性的健康是最大的威胁。The tire dump is a major fire risk (=something that could cause a fire). 这堆废轮胎是重大的火灾隐患。
risk2v [T]1 if you risk your life, money etc, you do something which may make you lose it 使遭受〔失去的〕危险: He risked his life helping others to escape. 他冒着生命危险帮助别人逃出去。risk sth to do sth He had a dream and was willing to risk everything to follow it. 他有一个梦想﹐而且甘愿不惜一切来追寻它。risk sth on sth You’d be crazy to risk your money on an investment like that! 你疯了﹐要把钱拿去冒险做那样的投资!2 to do something that may be dangerous or may cause something bad to happen 冒险做〔或会有不好结果的事〕: risk doing sth I wasn’t prepared to risk losing my business. 我不愿意冒险蚀掉我的生意。You could slip out of school between classes, but I wouldn’t risk it . 课间的时候可以溜出学校﹐但我不想冒这个险。3 risk death/punishment/defeat etc to do something which could result in your being killed, punished etc 冒丧命/受罚/失败等的危险: She was willing to risk arrest in order to protect her children. 为了保护自己的孩子﹐她甘愿冒被捕的危险。