It is not Idiom, or hyperbole, I'm thinking it is personification.
The thing that is upsetting to the Sergeant-major is the White family does not realize the seriousness of the paw, and take the paw and him as a magical fairy tale.
Answer:
When the doctor came in one day, I said, "No, I’m so much like my mother, because I’ve been caring for her."
The argument or the main idea of your paper. The point you are trying to make.
