- a situation involving exposure to danger危险; 风险：
flouting the law was too much of a risk
藐视法律太危险了
mass noun all outdoor activities carry an element of risk.所有的户外活动都带有危险因素。
- in sing. the possibility that something unpleasant or unwelcome will happen危险, 隐患：
reduce the risk of heart disease
减少犯心脏病的危险
as modifier smoking is a risk factor for cot death.抽烟是造成婴儿猝死的一个危险因素。
- usu. in sing. with adj. a person or thing regarded as likely to turn out well or badly, as specified, in a particular context or respect（被认为）可靠（或不可靠）的人（或事物）; 信用好（或不好）的人（或物）; （保险公司心目中）风险大（或风险小）的保险对象：
Western banks regarded Romania as a good risk.
西方银行认为罗马尼亚是一个信用可靠的客户。
- with modifier a person or thing regarded as a threat to something in need of protection危险人物; 引起危险的事物：
she's a security risk.
她是个安全隐患。
- with modifier a thing regarded as likely to result in a specified danger具有危害性的事物：
gloss paint can burn strongly and pose a fire risk.
有光涂料易猛烈燃烧, 有引起火灾的危险。
- （一般作risks）a possibility of harm or damage against which something is insured（保险业承保的）险。
- mass noun the possibility of financial loss金融风险：
as modifier project finance is essentially an exercise in risk management.项目财务从本质上说是一种风险管理行动。
- expose (someone or something valued) to danger, harm, or loss使（人或珍贵的物）遭受危险（损害, 损失）：
he risked his life to save his dog.
他冒生命危险去救他的狗。
- act or fail to act in such a way as to bring about the possibility of (an unpleasant or unwelcome event)冒…的危险：
coal producers must sharpen up or risk losing half their business.
煤炭生产者必须加把劲, 否则就有失去一半生意的危险。
- incur the chance of unfortunate consequences by engaging in (an action)冒险干：
he was far too intelligent to risk attempting to deceive him.
他太聪明了, 不会冒险试图去欺骗他。
at risk
- exposed to harm or danger处境危险; 遭受危险：
23 million people in Africa are at risk from starvation.
非洲有2,300万人正处于饥饿的危险中。
at one's (own) risk
- used to indicate that if harm befalls a person or their possessions through their actions, it is their own responsibility自负责任, 自负后果：
they undertook the adventure at their own risk.
他们从事冒险活动, 后果自负。
at the risk of doing something
- although there is the possibility of something unpleasant resulting冒（做某事）的危险：
at the risk of boring people to tears, I repeat the most important rule in painting.
冒着使人厌烦得要死的风险, 我重复了最重要的绘画规则。
at risk to oneself（或something）
- with the possibility of endangering oneself or something在可能危及自己（或某事物）的情况下：
he visited prisons at considerable risk to his health.
他冒着健康受损的极大危险去巡视监狱。
risk one's neck
- put one's life in danger冒生命危险。
run the risk（或run risks）
- expose oneself to the possibility of something unpleasant occurring冒…的危险：
she preferred not to run the risk of encountering his sister.
她宁可不冒与他姐姐发生冲突的危险。
take a risk（或take risks）
- proceed in the knowledge that there is a chance of something unpleasant occurring冒险。