
Jumping the gun is an expression that means to do something prematurely, and has a negative connotation. “I guess in hindsight, it’s going to work out brilliantly.” – Orange County Register

“At the time, it seemed kind of premature and kind of jumping the gun,” Barron said.In this example, the expression is being used to say that someone initially thought they did something too early, but in the end realized that they had good timing. If it weren’t for his prudence, half our nation would have been eviscerated by the Soviet nuclear arsenal. To jump through hoops means to perform many boring, difficult, or meaningless tasks or hurdles in the pursuit of a goal. Instead of jumping the gun, the young Petrov (Sergey Shnyryov) waited for radar confirmation. This is an idiom that means to ask somebody to do something or make a decision without preparation, and maybe in front of other people. 26, 1983, glitchy computers at Soviet defense headquarters set off false alarms that the United States had launched five missiles toward the country. The excerpt below shows the idiom being used in the context of nuclear bombs, and it describes how one person could have started a nuclear war if he hadn’t waited to make sure he had correct information. Professor: I’m worried if you try to understand it now it will just confuse you more. But I just really want to understand it now. The past perfect progressive is much trickier, and the passive voice makes it even more advanced. We are just starting the perfect tense now. Professor: Whoa! Don’t jump the gun! We’ll cover that next year. Student: I have a question about using the past perfect progressive tense in the passive voice. Professor: What can I help you with today?

The next example involves a professor of English as a second language and his student. This idiom alludes to jumping into water all at once without testing the temperature or depth first.
