un-khûn殷勤

eagerly attentive

eagerly attentive; earnest; courteous; sincere; diligent

English Wiktionary, “殷勤” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%AE%B7%E5%8B%A4 · confidence: Medium (Wiktionary, Hokkien)