Meanings
How to pronounce "on the line":
AU
On a level with the eye of the observer, as of a picture hung in on a wall.
At risk, as in a contest or enterprise.
Example: "The survival of the company is on the line with this project."
Currently calling on the telephone.
Example: "I have John on the line for you."
On one of the lines marked on a playing field or court; within bounds.
Example: "The ball was on the line but the umpire ruled it out."
Example Sentences
1
The player's future with the team is on the line.
2
My job is on the line if I don't finish this project on time.
3
The company's reputation is on the line after the product recall.
4
I'll put my reputation on the line to prove my point.
5
The safety of the hostages was on the line during the tense negotiation.