발 벗고 나서요 · 발 벗고 나섰어요 · 발 벗고 나서서 돕다
to jump in wholeheartedly to help; to roll up one's sleeves
Example
마을 사람들이 발 벗고 나서서 청소를 도왔어요.
The villagers rolled up their sleeves and helped with the cleanup.
Word parts
Literally 'to take off one's shoes and step forward,' ready for hard work.