Put (one's) life on the line phrasal verb
The verb "put" can be substituted by the verb "lay".
Put yourself in a dangerous or difficult situation to achieve something.
He puts his life on the life. He can have everything or nothing.
I know that firefighters put their lives on the line every working day but becoming a firefighter is also my burning dream.
We should be careful in doing everything instead of doing something risky.
If you do something dangerous or risky, you will get hurt.
To save somebody or yourself from a difficult, dangerous or bad situation
To start an adventure that presents risks or challenges.
The verb "put" should be conjugated according to its tense.
He has put his life on the line. You know, he wants to help his patients during the Covid 19 pandemic period
The origin of this expression is not clear.
A remark you make when you are leaving on the purpose of creating a stronger impact
The letter he left before leaving was his parting shot.