Analysis: Because a fool is not food, it means a confused person. Simple-minded people often use the names of acquaintances or lovers.

Why call stupid people "fools" instead of "stupid fruits", "stupid beans" or "stupid vegetables"? Tracing back to the source, there is also an interesting slang. It turns out that the "melon" of "fool" does not mean "melon" in "melon and bean". In ancient times, the area around the Qinling Mountains was named "Guazhou", and the people named Jiang who lived there took the family name "Guazi".

This people are very honest and trustworthy, and they can bear hardships and stand hard work. Whenever they are employed by people, they always work hard quietly and never stop. In this way, people mistakenly think that they are stupid, and then call such "stupid" people "melon seeds".

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Other interesting brain teasers:

1, what has no limbs and only one head with strong lethality?

Answer and analysis: Brick (literally, there is only one word "head"; physically, it does not have limbs, but only one head. If it is used to hit people, its lethality is absolutely powerful enough. )

2. Even if you put a knife around your neck, you won't hold its hand tightly. What is it?

Answer and analysis: cactus (cactus is famous for its prickly body, no matter who it is, it will not be happy to hold its hand tightly. )

3. What is the most shameless and indecent thing for the old lady to do?

Answer and analysis: when drinking porridge (the old lady's teeth are sparse, when drinking porridge, porridge and water will unconsciously flow downwards, and "shameless and indecent" is homophonic "toothless and indecent". )