Zuò / zhě / yòng / huā / rán / yì / cí / miáo / xiě / dāo / fēng / gē / kāi / pí / ròu / de / shēng / yīn作者用“砉然”一词,描写刀锋割开皮肉的声音。The author uses the word “砉然” to describe the sound of a blade cutting through flesh.