This is the 9444th most frequent Korean word.
결행을
"결행을" means "execution" or "carrying out (a decision or plan)."
결행을 refers to the act of executing or carrying out a plan.
그는 결국 결행을 결심했다.
He finally decided to carry out the plan.
결행을 is used here to denote the implementation of a project, emphasizing the upcoming act.
그 프로젝트의 결행을 앞두고 있어서 긴장이 된다.
I feel nervous because the execution of the project is imminent.
결행을 represents the act of carrying out the decision being discussed.