Correct

封堵

/ fēng dǔ / 
Strokes

Example

As a Verb

block off; block a road

1
Fēngdǔ
封堵
dàolù
道路

block (off) a road

As a Verb

block off (an attacking player)

2
Fēngdǔ
封堵
jìngōng
进攻
duìyuán
队员

block/impede an offensive player