Literally means "a Confucian scholar named Zhou". This person does not necessarily exist in history, but Sima Qian proposed Xiang Yu's double pupil in the name of Zhou Sheng. Just like when you are chatting with people, it means the same thing to say "so-and-so" in "I heard so-and-so".

After each biography in Historical Records, Sima Qian will express his comments on historical figures and events in the form of "Gong Yue, the Taishi Gong". Sima Qian worships Xiang Yu very much. The description of Xiang Yu's heavy pupil may be to show his courage and destiny. Anyway, this passage can't be seen as a rigorous historical material. LZ's understanding