insure[in'ʃuə]vt.1.■为…保险；给…保险：to insure one's house against fire给房屋保火险He was insured against death.他给自己保了人寿险。2.■[美国英语]确保；保证：to insure success确保成功vi.1.■投保；承保：to insure against all risks投保一切险2.■采取预防措施：to insure against disappointment避免失望变形vt.insuredinsuring