Correct

失守

/ shī shǒu /
Strokes

Example

As a Verb

(of a fortress, castle, city, etc) fall; be captured

1
Zhè
zuò
chéngshì
城市
zài
zāoshòu
遭受
zhèn
一阵
měngliè
猛烈
de
pào
炮击
zhīhòu
之后
shīshǒu
失守
  

This city fell after heavy bombardment.