siá-su-hong寫書方

to practice writing using a calligraphy brush

to practice writing using a calligraphy brush on a grid paper

English Wiktionary, “寫書方” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%AF%AB%E6%9B%B8%E6%96%B9 · confidence: Medium (Wiktionary)