This is the 12593rd most frequent Korean word.
대성공을
"Great success."
In this sentence, "대성공을" (great success) is used to describe the significant achievement resulting from an endeavor or effort.
그의 노력은 결국 대성공을 거두었다.
His effort eventually achieved a great success.
Here, "대성공을" emphasizes the immediate and noteworthy success attained by a product release.
그 제품은 출시 되자마자 대성공을 이루었다.
That product achieved great success as soon as it was launched.
"대성공을" in this instance refers to the anticipated achievement or favorable outcome of an ongoing project.