惕 Strokes Write it Listen 惕 tì cautious, careful, alert HSK 7–9 11 strokes Radical 忄 Sound + meaning 1 word Built from忄meaningxīnheart; mind; soul易soundyìto change; to exchange, to trade; simple, easy How it works忄 hints at the meaning (heart), and 易 yì hints at the sound.