This is the 7010th most frequent Korean word.
전선에서
"At the front line" or "on the front line."
전선에서 is used to denote a location, specifically the front line in a military context.
그들은 주 전선에서 원군을 기다리고 있었어요.
They were waiting for reinforcements at the main front.
In this sentence, 전선에서 refers to the location of power lines, indicating an infrastructure context.
전선에서 비상 경보가 울렸습니다.
An emergency alarm sounded at the power line.
Here, 전선에서 signifies a broader concept of the battlefield, where events and experiences are shared.