Use Fu Xuan to remember the meaning.
Taken from "The Book of Songs·Wei Feng·Kao Pan": "When I sleep alone, I will not speak, and I will never say it."
The original meaning of the word "Fu" is a correction, and it goes well with "Xuan".
Fu fú (animation) pictogram. The shape of the oracle bone characters looks like two uneven objects in the middle, which are tied with ropes to make them straight. Original meaning: exaggeration.