Translate the passage and provide help.

cudgel

When I was young, I liked painting. His mother always draws pictures for him on old paper. Although mom doesn't know how to spend, Billy likes it very much and always lets her draw. When Billy grew up, his mother gave him some pencils.

And paper

. He also began to draw, but he didn't draw well. When he was five years old, his mother gave him a blackboard, some chalk and an eraser. He loved it. One day, Billy tried to draw his father on the blackboard. He revised it again and again. But when he saw the picture he painted, he was very unhappy. "Well," he finally said to his mother, "I will add something so that he can become.

a monkey

Yes "

Basically, Billy's skill is not good. He painted his father like a monkey. It's a joke ~