The phrase "difficult not to make" is correct and usable in written English.
It can be used when discussing challenges or obstacles in avoiding a particular action or outcome.
Example: "It's difficult not to make mistakes when you're under pressure."
Alternatives: "hard to avoid making" or "challenging not to create".
It was extremely difficult not to make my next six tweets awestruck fawning of stupendous proportions.
When the medal was conferred, Ian Dejardin, the Sackler Director of the Dulwich Picture Gallery, remarked, "It's going to be difficult not to make her sound utterly saintly".
It was difficult not to make religious analogies on Sunday morning as I joined 2500 other atheists streaming into the Melbourne Convention and Exhibition Centre for The Rise of Atheism: the 2010 Global Atheist Convention.
After a while the film's expressiveness becomes so hypnotic that it's difficult not to make your own connections: the discovery that the gaping mouth of a blow-up doll resembles nothing so much as a silent scream no doubt says as much about me as it does about Mr. Majewski.
It is difficult not to make a connection between these two events.
With that in the bank, it would seem difficult not to make a profit, even if you are the Raiders.
"The pledge was to make tax reform possible, not to make it difficult," he said.
Their job was not to make life difficult for the Bank directors, but to make it easy.
How difficult not to go making 'reality' this and that, whereas it is one thing.
The reason perhaps: the rugged, mountainous terrain makes it difficult, not to mention unwise, to navigate the island quickly.
In the microscopy data, we see that the coating is easily scratched making it difficult not to damage the coating during mounting into the working electrode holder.
