"Da Cao Jing She" literally means beating the grass and startling the snake hidden within. It is a metaphor for acting carelessly and exposing one's actions, causing the other party to become aware and take precautions. This idiom originates from Duan Chengshi's Youyang Zazu of the Tang Dynasty, which records a story: someone wanted to catch a snake and first beat the grass, but as a result the snake was startled and fled. Later, it came to describe situations in dealing with enemies or handling problems where, because of inappropriate methods or insufficiently secret actions, the other party is alerted instead, causing the plan to fail. It is often used in military affairs, competition, investigation, or everyday dealings, emphasizing the need for careful consideration before acting in order to avoid beating the grass and startling the snake. Its emotional coloring is generally derogatory, often carrying a sense of criticism, warning, or regret. In terms of cultural background, it reflects the traditional Chinese wisdom of "planning firmly before acting," emphasizing the importance of concealment and strategy.
📝 Example
1. When investigating this criminal gang, the police decided not to alert them prematurely, so as not to beat the grass and startle the snake. (A metaphor for acting carelessly and causing the other party to become aware and take precautions.)
2. He wanted to secretly prepare a birthday surprise for his girlfriend, but asked her in advance what gift she liked, which ended up beating the grass and startling the snake, and the surprise was completely ruined. (A metaphor for revealing one's intentions due to a lack of secrecy and ruining the original plan.)