精神失常的

例句：

1. 1. He's been diagnosed with a mental disorder.
   他已经被诊断出患有某种精神疾病。
2. 2. The patient was admitted to the hospital for treatment of his mental illness.
   病人被收治入院治疗他的精神病。
3. 3. She was so disturbed by her thoughts that she couldn't concentrate on her studies.
   她因为自己的思绪而困扰，无法集中注意力学习。