HSK C7-9
Correct

堡

/ bǎo / 
Strokes

Definition

an earthwork/castle/position of defense/stronghold/used in place names, often as phonetic bao for "burg" or "bad"

Example

As a Noun
fort; fortress
1
Jiānshǒu
坚守
gūbǎo
孤堡
kàngjī
抗击
dírén
敌人

hold a solitary fort against the enemy

2
Zhàdiào
炸掉
ànbǎo
暗堡

blow the bunker