一字千金的英文：
[Literal Meaning]
one/word/thousand/gold
One word is worth a thousand taels of gold.

[解释]
称赞文章用词巧妙，不可更改。

[Explanation]
The wording is too wonderful to change.

[例子]
这篇文章写得真好，简直是一字千金。

[Example]
The article is so well written and even every word is worth its weight in gold.