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open fire
open fire
(on someone) Fig. to start (doing something, such as asking questions or criticizing). (Based on open fire on someone or something.) The reporters opened fire on the mayor. When the reporters opened fire, the mayor was smiling, but not for long.
open fire (on someone or something)
to begin shooting at someone or something. The troops opened fire on the enemy. The trainees opened fire on the target.
open fire (on somebody/something)
to begin shooting at someone or something Do not open fire until you hear the command.
open fire
Begin a verbal attack, as in In her second letter to the editor she opened fire, saying the reporter had deliberately misquoted her . This idiom alludes to discharging a firearm. [Mid-1800s]
open fire
To begin firing a gun or guns.