The phrase "a very very firm" is correct and usable in written English.
It can be used to emphasize the strength or intensity of the firmness being described, often in contexts related to opinions, decisions, or physical objects.
Example: "The committee reached a very very firm decision to proceed with the project despite the challenges."
Alternatives: "an extremely firm" or "a solidly firm".
"Look," he added, "I believe these machines have a very, very firm place in our future, but I also believe that in responding to the chaos in Florida in 2000 these machines were rushed out before all the kinks were worked out".
Stride told BBC Radio 4's World at One: "I'm not going to get into the specifics of what may or may not be going on in the negotiations at the moment, other than to say that I am extremely confident from all that I know and have seen, and all the discussions that I have had, that there will be a very, very firm position taken on this.
"The future is now very, very firm, and from a structural point of view as a visitor experience it's where it needs to be".
He told reporters he was very inspired after a meeting of Nato defence ministers in Brussels because "so many nations made very, very firm and concrete decisions" over their contributions to the four-battalion deployment.
Trump, still the front-runner, threatened the lives of the relatives of terrorism suspects: "I would be very, very firm with families.
" [The Australian government] should be very, very firm on this because the Chinese government is behaving like terrorists," he told the Guardian.
"I would be very, very firm with families," he added.
"I would be very, very firm with families," Trump said at one point during the campaign.
"We need China to be very, very firm with their neighbors, and... long-term allies, the North Koreans, on what is acceptable behavior and not acceptable behavior," Hill said in an interview with CNN.
Later, Trump defended his suggestion that the relatives of IS members be targeted for death in response to a question from a Georgia Tech student, who asked, "How would intentionally killing innocent civilians set us apart from ISIS?" "I would be very, very firm with families," he insisted.
So when someone is getting in your face, be polite but very, very firm.
