ti̍t-bûn直文

of straight and even grain

of straight and even grain (of wood, etc.); with an upright and refined face (of a person)

English Wiktionary, “直文” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%9B%B4%E6%96%87 · confidence: Medium (Wiktionary)