phrase → fire If you are in the line of fire, you are in a position where someone is aiming their gun at you. If you move into their line of fire, you move into a position between them and the thing they were aiming at. ⇒ He cheerfully blows away any bad guy stupid enough to get in his line of fire. ⇒ The man and his son had been pushed into the line of fire by their captors.
COBUILD Advanced English Dictionary. Copyright © Harper Collins Publishers