辜 Strokes Write it Listen 辜 gū crime, offense, sin HSK 7–9 12 strokes Radical 辛 Sound + meaning 2 words Built from古soundgǔold, classic, ancient辛meaningxīnbitter; toilsome, laborious; 8th heavenly stem How it works辛 hints at the meaning (bitter), and 古 gǔ hints at the sound.