Meanings
Usage patterns
〈場所〉線に乗るto get on the ~ (train) line
I took the Yamanote Line to Shibuya.
線を越えるto cross a line; to overstep a boundary
What he said crossed the line of what was acceptable.
X線を撮るto take an X-ray
They took an X-ray to check for a fracture.
線がつながるfor a phone/line connection to go through
After redialing several times, the line finally connected.
〈数〉の線を超えるto exceed a certain threshold or standard
This year's sales exceeded last year's benchmark.
〈事〉で線を出すto propose an approach or plan for something
I proposed a new approach at the meeting.