te-tiāu低調

low-pitch sound or voice

low-pitch sound or voice; pessimistic words or thoughts; quiet; subdued; pessimistic

English Wiktionary, “低調” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E4%BD%8E%E8%AA%BF · confidence: Medium (Wiktionary, Hokkien)