堵 dǔ — to block up (a road, pipe etc)
dǔ (third tone, dipping)du3
to block up (a road, pipe etc)
Level 4· 2021 three-band, nine-level proficiency standardverbclassifier
Meanings
to block up (a road, pipe etc)
to block up (a road, pipe etc); to stop up (a hole); (fig.) (of a person) choked up with anxiety or stress; wall (literary); (classifier for walls)
verb