炼 Strokes Write it Listen 炼 liàn to refine; to smelt HSK 4 9 strokes Radical 火 Sound + meaning 3 words Built from火meaninghuǒfire, flame; to burn; anger, rage柬soundjiǎncard, letter, invitation, note How it works火 hints at the meaning (fire), and 柬 jiǎn hints at the sound.