HSK C4/W3/V4
Correct

堵

/ dǔ / 
Strokes

Definition

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)

Example

As a Noun
wall
1
Guànzhěrúdǔ
观者如堵
  
。

There was a large crowd of spectators.

As a Measure word
[of walls]
2
Yī
一
dǔ
堵
qiáng
墙

a wall

As a Verb
stop; block up; choke; jam
3
Zhǔgàndào
主干道
bèi
被
dǔ
堵
le
了
sān
三
gè
个
xiǎoshí
小时
  
。

The trunk road was jammed tight for three hours.

4
Suǒyǒu
所有
tōngwǎng
通往
mǎtóu
码头
de
的
dàolù
道路
dōu
都
bèi
被
dǔzhù
堵住
le
了
  
。

All the roads to the wharf are blocked.

5
Shùyè
树叶
dǔzhù
堵住
le
了
yīngōu
阴沟
  
。

Leaves choked/stopped up the drain.

6
Bǎ
把
kūlong
窟窿
dǔ
堵
shàng
上

stop (up) a hole

7
Dǔzhù
堵住
dírén
敌人
de
的
tuījìn
推进

block the enemy's advance

As an Adjective
stifled; suffocated; oppressed
8
Xīnli
心里
dǔ
堵
de
得
huāng
慌

feel suffocated; feel a tightness in the chest