堆 Strokes Write it Listen 堆 duī to pile up; to heap up; a mass HSK 5 11 strokes Radical 土 Sound + meaning 2 words Built from土meaningtǔsoil, earth; items made of earth隹soundzhuīshort-tailed bird; sparrow How it works土 hints at the meaning (earth), and 隹 zhuī hints at the sound.