psychic infantilism

例句：

1. 1.He was diagnosed with psychic infantilism after a series of bizarre behaviors.
   他因为一系列古怪的行为被诊断出患有精神幼稚症。
2. 2. The child's psychic infantilism made it difficult for him to communicate with others.
   孩子的精神病幼稚症使他难以与他人交流。
3. 3.The diagnosis of psychic infantilism can be a life-changing experience for the patient.
   精神病幼稚症的诊断对患者来说可能是一个改变生活的体验。