矩 Strokes Write it Listen 矩 jǔ carpenter's square, ruler, rule HSK 7–9 9 strokes Radical 矢 Sound + meaning 1 word Built from矢meaningshǐarrow, dart; to vow, to swear巨soundjùlarge, huge, gigantic; chief How it works矢 hints at the meaning (arrow), and 巨 jù hints at the sound.