"second childhood" in Chinese (Simplified)
老年迟钝期老年返童期
Definition
老年时期，某人变得身心虚弱，像孩子一样行动或思考。也可以指老年人表现出孩童般的天真或依赖。
Usage Notes (Chinese (Simplified))
多为文学或较旧的表达，通常指老年痴呆或虚弱的老人。有时带有亲切或中性意味，但随意使用可能显得不敏感。日常口语中很少用。
Examples
After his illness, he entered his second childhood.
生病后，他进入了他的**老年迟钝期**。
People say he is going through a second childhood.
人们说他正在经历**老年返童期**。
Her grandmother is living her second childhood now.
她的祖母现在正在经历**老年迟钝期**。
Some elderly people in second childhood need special attention and care.
一些处于**老年迟钝期**的老人需要特别照顾。
He spends his days watching cartoons and playing like he's in his second childhood.
他整天看动画片、玩耍，好像回到了**老年返童期**。
It's sad to see him in his second childhood, but we try to make him happy.
看到他进入**老年迟钝期**很难过，但我们努力让他快乐。