n.

1. 保险；保险契约[U][（+against）]
   I found a job selling insurance.

   我找到一份推销保险的工作。

2. 保险业[U]
   She works in insurance.

   她从事保险业。

3. 保险金额；赔偿金[U][（+on）]
   He has $100,000 life insurance, which his wife will receive if he dies first.

   他有十万美元的人寿保险，如果他先去世，他的妻子将得到这笔钱。

4. 预防措施；安全保证[U][S1][（+against）]
   I bought some new locks as an additional insurance against burglary.

   我买了一些新锁具以进一步防止盗窃。

5. 保险费[U]
   The insurance on my house is very high.

   我的房屋保险费很高。

n.

1. the action of insuring someone or something.
   ▸the business of providing insurance.
   ▸money paid as compensation under an insurance policy.
2. a thing providing protection against a possible eventuality.