牛角书生

Explanation: Who diligently compared 　　Usage: Partial official; as object; analogy who diligently 　　Source: "New Book of Tang Li Mi Biography": "to take the cattle Po saddle blanket, hanging" Han "a book cover corner, line, and read." 　　Examples: ~, Qiuran Hawker, talk and laugh off all worthy of Jane strokes. ★ Song Liu Chuang, "Qin Yuan Chun Kau Wah Ye Xianliang A" word