Wang Mian was a famous painter and poet in Yuan Dynasty. When he was ten years old, he herded cattle for the rich. The rich man signed a contract: within one year, he won't be paid unless he does a good job. At the end of one year, the rich man asked a question: "Once upon a time, a group of poor people dug up a jade wall, which was said to be a treasure. They smashed the jade wall and everyone got a piece, but this priceless jade wall is worthless. As a result, the poor are still poor. Guess a word. "

Answer: Poverty.

Other riddle examples:

Mystery of Restaurant: 1940, a Sichuan restaurant opened in Guilin, Guangxi. On the opening day, the shopkeeper posted a red paper at the door, which read: "Our shopkeeper is waiting for a riddle, and the winner will get a table of Sichuan food." The shopkeeper's action really attracted many people. After everyone entered the store, they saw a riddle hanging high in the hall: "Wen (name in a dream of red mansions)."

The mystery hung for a long time and was guessed by a man named Chen. Duanmu Hongliang immediately presented a poem: There was love before Wushan, and I wanted to leave the word "Wen" white. It's drizzling on a cold night, and it's clear to sprinkle with hibiscus. The answer is "Wen Jing". "Eye" means no rain, and the word "Wen" without "rain" is the word "Wen" in the riddle.