一線

一線

"一線" means "a line" or "a boundary," often referring to a figurative limit or distinction.

In this sentence, 『一線』 refers to a metaphorical boundary or limit, implying an ethical or social standard that was exceeded.

彼は一線を越えた行動をした。

He acted in a manner that crossed the line.

Here, 『一線』 is used to mean the forefront or leading position in a field.

この町では一線で活躍する専門家が多い。

In this town, there are many professionals active at the forefront.

In this case, 『一線を画す』 means to draw a line distinguishing something, showing its uniqueness or separation from others.

彼が描いた絵は他の作品と一線を画している。

The painting he drew stands apart from other works.