also: しかめつら
He frowned at the difficult problem.
I could tell he was angry from his scowling face.
Standard kanji-kana mixed spelling; the most common written form.
Alternate reading with つら instead of づら; less common but still encountered.
Uses the rare kanji 顰; rarely seen in modern writing.
Rare kanji spelling with the alternate reading しかめつら.
Compound of しかめ (continuative form of verb しかめる 'to knit one's brows') + 面 (つら/づら 'face'). The reading しかめづら is the more common form, with rendaku voicing of つら to づら.