"Nine Oxen and One Hair" literally means a single hair from nine oxen, a metaphor for an insignificant part of a huge quantity. It comes from Sima Qian's "Letter to Ren An" in the Records of the Grand Historian of the Western Han Dynasty: "If I had been executed according to the law, it would have been like one hair lost from nine oxen, no different from an ant or a mole cricket." After suffering castration, Sima Qian used this image to describe himself, expressing that an individual's life and death are as tiny as a single ox hair in the vast sweep of history. This idiom is often used for self-deprecation or to objectively describe something that accounts for an extremely small and negligible proportion of the whole. It usually carries a neutral or humble tone and emphasizes a stark contrast. In cultural background, it reflects the ancient dialectical way of thinking in which the large is regarded as much and the small as little, and it is also often used to advise people not to fuss over small gains and losses. For example, it can be used to describe an individual's contribution to a collective or a small amount of funds within a huge budget. Emotionally, it can express humility and may also imply helplessness or contempt.
📝 Example
1. My small donation is just a drop in the bucket for the reconstruction of the entire disaster area, but I hope it can help some people.
2. Although he has achieved some success in academia, when viewed against the entire history of science, those achievements are merely a drop in the bucket.