- 愁眉不展 [hóu méi bù zhǎn]
- （形容心事重重的样子） bend the brows; A frown never left one's face.; brows contracted without relaxation; contort one's features; frown in grief; knit the brows; knitting one's brows in anxiety; look blue; (He) looked troubled，and even frowned.; lowering eyebrows; One's knitted brows did not relax，nor one's gloomy features lighten.; with frown of anxiety; with knitted brows in worry
She looked up from her exam paper with a worried frown.
His countenance fell.