'no specific reason' is a perfectly acceptable phrase that can be used in written English.
For example, "He left suddenly with no specific reason given."
"There was no specific reason behind bringing out [a selection of specifically gospel-focused edits] now.
"There was no specific reason behind bringing out [a selection of specifically gospel-focused edits] now," he says.
No specific reason was given.
"No specific reason for it," he said.
China's Foreign Ministry gave no specific reason for Chan's expulsion.
The evidence also was that defendants had no specific reason to remove the wheel and drum.
I sniffed before dramatically exclaiming, "Everything!" There was no specific reason for my stress that day.
There is no specific reason why transport should be funded by transport revenues alone.
Saint Laurent, 65, gave no specific reason for his decision but revealed an acute awareness of his legacy.
As for the God-as-Garcia look, the show's creators have said that there is no specific reason behind it.
In a statement on Monday, Lowe's offered no specific reason for its decision to abandon the bid.
