李密牛角挂书。隋朝李密,少年时被派在隋炀帝的宫廷里当侍卫。他生性灵活,在值班的时候左顾右盼,被隋炀帝发现了,认为这孩子不大老实,就免了他的差使。李密并不懊丧,回家以后,发愤读书,决定做个有学问的人。有一回,李密骑了一头牛,出门看朋友。在路上,他把《汉书》挂在牛角上,抓紧时间 Miss Lee horns hanging book. Sui Dynasty Lee Mi, juvenile was sent in the imperial court to serve as guards. He was naturally flexible, looked around right and left on duty, was discovered by Emperor Sui Yang, that the child is not honest, it will be exempt from his mistakes. Li Mi is not depressed, go home later, angry reading, decided to be a learned person. Once, Li Mi rode a cow and went out to see her friend. On the way, he hung “Han” on the horns, hurry up