[] insure (sth/sb/yourself) (for/against sth)to make an arrangement with a company in which you pay them regular amounts of money or make a single payment and they agree to pay you money, for example if you die or are ill/sick, or if you lose or damage sth 投保；为…买保险◆The painting is insured for $10 million. 这幅画买了 1 000 万元的保险。◆Companies are required to insure against accidents in the workplace. 公司必须投保工作场所的意外险。◆Are you adequately insured? 你足额投保了吗？
[] to sell insurance to sb for sth 接受投保；承保◆The company insures high-risk drivers. 这家公司为高风险的司机提供保险。