kat-ba̍k-thâu結目頭

to frown

to frown; to knit one's brows; to scowl

English Wiktionary, “結目頭” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%B5%90%E7%9B%AE%E9%A0%AD · confidence: Medium (Wiktionary)