Correct

旗开得胜

/ qí kāi déshèng /
Strokes

Definition

lit. to win a victory on raising the flag (idiom); fig. to start on sth and have immediate success/success in a single move

Example

Definition

win victory as soon as one's standard is raised; win victory as soon as the flag is unfurled; win victory the moment the battle begins; succeed at the first try; win speedy success; achieve immediate success

1
Zài
zhè
这次
zhàn
战役
zhōng
  
,
jūn
我军
kāishèng
旗开得胜
  
,
shēngwēi
声威
zhèn
  

In this battle, our army won victory in the very first engagement thus gaining resounding fame.

2
Zhùjūn
祝君
kāishèng
旗开得胜
  
,
dàochénggōng
马到成功
  

I wish you a speedy success.