This is the 3488th most frequent Korean word.
만전을
"만전을" means "perfection" or "utmost effort."
In this sentence, '만전을' refers to putting all efforts into ensuring completeness or perfection in preparation.
준비에 만전을 기해야 한다.
We must strive for complete preparedness.
Here, '만전을' denotes maximum effort or dedication towards a goal.
그는 프로젝트 성공을 위해 만전을 다했다.
He gave his full effort for the success of the project.
This sentence uses '만전을' to emphasize the importance of thoroughness to avoid problems.