Three points: sān fēn/fèn 1. 2. Refers to the history of the Three Kingdoms. 3. Three tenths. Whip: biā n pā1. Bone spur; Encourage. 2. analysis and analysis. Infiltrate into the interior: Biā n p ù rù l ǐ whip to stimulate; The innermost layer. Describe it as practical learning. Also described as thorough analysis, to the point. Embedded: rωmω 1. To carve on a carving board. Step 2 enter the coffin. 3. Yu calligraphy is strong. Three points into the wood: rù mù sān fēn According to legend, Wang Xizhi wrote on the board, and when the carpenter carved, he found that the handwriting penetrated into the board for three points. Describe that calligraphy is very powerful. Nowadays, the problem of metaphor analysis is very profound.