thán-tǒng-tǒng坦蕩蕩

magnanimous

magnanimous; satisfied and composed

English Wiktionary, “坦蕩蕩” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%9D%A6%E8%95%A9%E8%95%A9 · confidence: Medium (Wiktionary, Hokkien)