idiopathetic

例句：

1. 1. The patient was diagnosed with a condition that is idiopathic.
   患者被诊断出一种无特定原因的疾病。
2. 2. The researcher found no evidence of an idiopathic cause for the disease.
   研究者没有找到这种疾病无特定原因的证据。
3. 3. The patient's symptoms were consistent with an idiopathic condition, but further testing was needed.
   患者的病症与无特定原因的疾病相符，但需要进行进一步的测试。