Correct

守势

/ shǒushì / 
Strokes

Definition

defensive position/guard

Example

As a Noun

defensive

1
Díjūn
敌军
bèipò
被迫
cǎiqǔ
采取
shǒushì
守势
  
。

The enemy troops are put on the defensive.

2
Cǎiqǔ
采取
shǒushì
守势

be/stand/act on the defensive