jump the gun

listen to the pronunciation of jump the gun
Английский Язык - Турецкий язык
Английский Язык - Английский Язык
to trade securities based on information that is not yet public; to trade on inside information
to act or begin too soon or without due caution

Don't you think it is jumping the gun to report this without verifying it?.

to begin a race too soon, before the starting gun goes off
start too soon
jump the gun
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