HSK C5
Correct

壁

/ bì / 
Strokes

Definition

wall/rampart

Example

As a Noun
wall
As a Noun
cliff
As a Noun
rampart; barrier; breastwork
As a Noun
sth resembling a wall
As a Noun
bi ［fourteenth of the twenty-eight constellations（二十八宿）in ancient Chinese astronomy］