HSK V5
Correct

增大

/ zēngdà / 
Strokes

Definition

to enlarge/to amplify/to magnify

Example

As a Verb
enlarge; increase; augment
1
Zhèyàng
这样
kěyǐ
可以
zēngdà
增大
huòshèng
获胜
kěnéng
可能
xìng
性
  
。

This can magnify the chance of victory.