thán-tǒng坦蕩

broad and level

broad and level (of roads, fields, plains, etc.); magnanimous

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