1. His medical condition makes him uninsurable for a traditional health insurance plan.
（他的医疗状况使他无法获得传统医疗保险计划的保险。）
2. Due to the high risk involved, some individuals with pre-existing conditions may be considered uninsurable by insurance companies.
（由于风险较高，有些患有既往病史的人可能被保险公司视为不可投保。）