"insisting on trying" is grammatically correct and can be used in written English.
It is used to convey that someone is persistently and determinedly attempting to do something, despite possible obstacles or challenges. Example: The coach kept insisting on trying a new training technique, even though the players were skeptical at first. However, after weeks of trying it, they saw significant improvements in their performance.
"No matter that they have war -- they're still insisting on trying tourists".
The prosecutors pressed on, insisting on trying him under the Espionage Act and for "aiding the enemy".
Sarri is notably intransigent, insisting on trying to play his way whatever the circumstances but this, surely, is an occasion for compromise.
Gary Olewnik, 45, is surviving on a pension from a former job and insisting on trying to trap lobsters, but he is barely making back expenses.
Liz Cheney wrote to TPM that By insisting on trying Ahmed Ghailani in civilian court with full constitutional rights, instead of by military commission, President Obama and Attorney General Holder are jeopardizing the prosecution of a terrorist who killed 224 people at U.S. Embassies in Kenya and Tanzania….
Such groups are broadly tolerated, but Shouwang leaders have annoyed the authorities in recent weeks by insisting on trying to hold services in the open.
"If Republicans insist on trying to use it as leverage again, then you can see more talk about it," said one Senate Democratic aide, who was echoed by a Democratic aide on the House side.
Newby made the crowd giggle by relating a story in which one civilian Wikipedia editor insisted on trying to add what would otherwise be a welcomed map to an article on an (anonymous) Senate voice vote.
I insist that the point I was making is one to be made, because I insist on trying to face the political aspect of Aurora - and now of the mass killing in suburban Milwaukee.
Although Jesus said many times "do not be afraid" and when asked about this specific issue replied: "No one knows the day, nor the hour," some still insist on trying to announce the final day and inspire fear in their followers.
Jobs, remembered Esslinger last weekend, "stubbornly insisted on trying new things".
