During the Warring States period, there was a minister named Lü Buwei.
战国时候，有个大臣叫吕不韦。
He spent many years writing a book.
他花了很多年写了一本书。
The book was called Lüshi Chunqiu (Lü Buwei’s Spring and Autumn Annals).
这本书叫《吕氏春秋》。
He thought his book was very well written.
他觉得这本书写得非常好。
To let everyone know, he came up with an idea.
为了让大家知道，他想了一个办法。
He hung the book at the city gate for people to read.
他把书挂在城门口，让人来读。
He also wrote a line of words: "If anyone can change a word, I will reward them with a thousand gold."
他还写了一行字：“如果有人能改动一个字，就奖励一千金。”
Many people gathered around to read the book.
许多人围过来看书。
Some read carefully, some thought hard.
有的仔细读，有的认真思考。
But no one could change even one word.
但没有人能改动哪怕一个字。
Everyone said, "This book is written perfectly!"
大家都说：“这本书写得太好了！”
The news reached the king.
消息传到国王那里。
The king came to read the book as well.
国王也来看这本书。
After reading it, he greatly admired Lü Buwei’s talent.
他看完后，非常欣赏吕不韦的才华。
Later, this book became very famous.
后来，这本书变得很有名。
"A word worth a thousand gold" means that one word is as valuable as a thousand gold.
一字千金的意思是一个字的价值像千金一样贵重。
This idiom teaches us that good writing requires the most precise words.
这个成语告诉我们，好的文章要用最准确的字。
