📖 Meaning
A metaphor for secretly using tricks to substitute the fake for the real or the inferior for the superior. It describes deceptive behavior where someone covertly swaps one thing for another to cheat others. The image evokes secretly removing a building's main beam and replacing it with an inferior pillar, compromising the structure while keeping up appearances.
📜 Origin Story
This idiom originates from the Qing Dynasty novel Dream of the Red Chamber (红楼梦) by Cao Xueqin, Chapter 97. In the story, Wang Xifeng devises a scheme called the 'plan of stealing the beam and replacing the pillar,' secretly substituting Xue Baochai for Lin Daiyu in Jia Baoyu's arranged marriage, deceiving Baoyu into believing he was marrying his beloved Daiyu. The phrase also appears as one of the Thirty-Six Stratagems (三十六计), where one covertly swaps essential components to undermine an opponent's strength while maintaining a facade of normalcy. Over time, it broadened to describe any deceptive act of substituting one thing for another.
💡 Example Usage
他用偷梁换柱的手法，将劣质产品混入正品中出售。
He used the trick of swapping things underhandedly, mixing inferior products in with the genuine ones for sale.
🏷️ Category
➕ Similar Idioms
➖ Opposite Idioms
🔤 Quick Facts
- Chinese: 偷梁换柱
- Pinyin: tōu liáng huàn zhù
- Literal Translation: steal, beam, replace, pillar
- Category: Method
- Characters: 4