窍 Strokes Write it Listen 窍 qiào hole, opening, aperture HSK 7–9 10 strokes Radical 穴 Sound + meaning 2 words Built from穴meaningxuécave, den, hole巧soundqiǎoskillful, ingenious, clever How it works穴 hints at the meaning (hole), and 巧 qiǎo hints at the sound.