The first is: intertext, typical intertext!

Similar to "Qin Shi Mingyue Han Shi Guan" and so on, and then sandwiched with parallelism ("When you are thirteen years old, you can weave plain cloth, when you are fourteen years old, you learn tailoring, when you are fifteen years old, you can play the konghou, when you are ten years old) "Six Recitations of Poems"). Intertextuality is also called "intertextuality".

Translation: Between fourteen and five years old (specifically, it does not necessarily mean 13 to 16 years old), he learned the four skills of ABCD. Therefore, the final accurate meaning is: when Liu Lanzhi was fifteen or sixteen years old Before that, she had learned music (replacing all piano and wind instruments with harp and harp), could read poems and articles (poems, songs, calligraphy, painting, drama, and replaced all literary literacy studies with poems and books), and knew how to work as a female (weaving, tailoring, and spinning). , mending, etc... not just refers to) refers to general, not specific, and there is no time sequence.