"Bumou er he" (literally "agree without prior consultation") means that people hold identical views or take the same action without having discussed it beforehand. In this idiom, "mou" refers to consultation or planning, while "he" means to correspond or be consistent. The idiom emphasizes coincidence and tacit understanding, and is often used to describe two or more people who arrive at the same idea or make the same decision without prior communication. Its deeper meaning lies in highlighting a high degree of alignment in thought or action, and it can be applied both to trivial everyday matters and to major decisions. Culturally, the idiom originates from the Book of Han and reflects the importance Chinese culture places on "harmony" and "tacit understanding." In emotional tone, it is mostly neutral with a positive leaning, often carrying a sense of pleasant surprise or admiration, and it is used in a wide range of contexts, such as unspoken rapport among friends, team decision-making, and scholarly viewpoints. It should be noted that it emphasizes the premise of "without prior discussion"; if a matter has already been discussed, the idiom is not appropriate.
📝 Example
1. The two of us coincidentally made the same choice, both selecting the same university as our first preference. (It means that without prior discussion, the two people made the same choice.)
2. Regarding the improvement plan for this project, the two engineers coincidentally put forward the same suggestion. (It means that without discussion, the two engineers proposed the same suggestion.)