感觉迟钝

例句：

1. 1. His memory is feeling slow and he can't remember things clearly.
   他的记忆力变得迟钝，他记不清事情。
2. 2. The old man has a feeling of being slow-witted.
   老人感觉自己迟钝。
3. 3. The new teacher seems to be feeling slow in adjusting to the class.
   新老师似乎在适应班级方面感到迟钝。