You can learn. Mr. Liu, the model author of the national curriculum standard primary school Chinese textbook of the former Soviet Education Press. Teacher Liu's hard pen calligraphy is very high, so he can learn it. Mr. Liu has been compiling a hard-pen calligraphy book for primary school Chinese, and is a member and editor-in-chief of the calligraphy textbook "Calligraphy Practice Guide" approved by the Ministry of Education.