Read Edit View history 开刃 kāirèn sharpen Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 开刃/開刃 · kāirèn · sharpen 2026/03/04 开刃 / 開刃 kāirèn sharpen to edge or sharpen a knife, scissors, sword, etc. 这把新买的菜刀还没开刃。 verb created sense Mar 4, 2026, 02:25 AM