堆 (duī) means “to pile up; to heap up; a mass; pile; heap; stack; large amount”. It is an HSK 5 Chinese character in the HSK 3.0 vocabulary.
桌上堆满了各种文件。
Zhuō shang duī mǎn le gèzhǒng wénjiàn.
The desk is piled with various documents.
Updated: 2026-05-27