A little story tells that a man found a teacher for his son to learn to write. The son learned one, two, and three, and then he thought he knew it well and stopped learning. The result is written

It means that my son thinks that one means drawing one stroke, two means drawing two strokes, three means three strokes, four means four strokes... and so on, and he can write.

I told my father that I had learned everything and there was no need to learn any more. His father was very happy and planned to invite everyone to join in the fun and let his son write the invitation. But the father’s surname was Wan, and the son didn’t finish writing for a long time. When the father looked at his son's drawings, he said he hadn't reached 100 yet...