This is the 12526th most frequent Korean word.
대대
"대대" means "battalion" in English.
In this sentence, '대대적인' is an adjective derived from '대대' used to describe something as being large-scale or extensive.
그는 대대적인 변화를 계획하고 있다.
He is planning a major change.
Here, '대대' refers to a military unit equivalent to a battalion, indicating a specific grouping in the armed forces.
군대의 대대는 중요한 작전 지역으로 이동했다.
The army battalion moved to an important operational area.
In this example, '대대로' derived from '대대' expresses the concept of 'through generations' or 'traditionally'.