Correct

稳操胜券

/ wěn cāo shèng quàn / 
Strokes

Definition

grasp it and victory is assured/to have success within one's grasp (idiom)

Example

Definition

success is within one's grasp; have full assurance of success; be certain/confident/sure of success; be sure to win

1
Wǒmen
我们
shàngbànchǎng
上半场
shè
射
jìn
进
sān
三
qiú
球
hòu
后
jiù
就
yǐjīng
已经
wěncāoshèngquàn
稳操胜券
le
了
  
。

The three goals we scored in the first half gave us a useful cushion against defeat.