insurance/ɪnˈʃʊərəns/
n.1. 保险I bought another safety lock as an additional insurance against thieves.我又买了一把保险锁，以加强防贼的安全措施。
He claimed to be an insurance salesman but later was found to be a fraud.他自称是个保险公司的推销员，但后来发现原来是个骗子。
2. 保险金额She received ￡2000 insurance.她得到2000镑的保险金。
3. 保证；保障