n. a venture undertaken without regard to possible loss or injury
n. the probability of becoming infected given that exposure to an infectious agent has occurred
n. the probability of being exposed to an infectious agent
v. expose to a chance of loss or damage
n. 冒险, 危险, 保险额
vt. 冒...的危险, 冒险干
1. Taking a new job can involve a lot of risk.
换一份新工作可能涉及很多风险。
2. It's important to assess the risk before making a decision.
在做决定之前评估风险是很重要的。
3. He decided to invest in the stock market despite the risks.
尽管有风险，他还是决定投资股市。