The phrase 'canny of' is not correct or usable in written English.
The correct phrase would instead be 'canny about.' For example, "She was quite canny about her investments."
"How canny of you to notice".
She said, "Very canny of both of them".
This is a fairly intriguing scenario and it's canny of Hack to use it as his opening chapter.
As in the case of Boris Johnson and the job of British prime minister, people say, it would be much more canny of her to hold her tongue and hedge her bets.
Of course, the risks—of coming across to the world as clumsy rather than canny, of provoking more anger than intended, of gaining nothing for all the candour - are serious.
A star's last, supporting, role I thought it quite canny of Sir Ian Richardson's family to get his ashes incorporated into the structure of the new theatre at Stratford, buried in the foundations.
Swann is the canniest of cricketers behind the one-liners.
It turned out the rain could not be outrun, not even by the canniest of plotters.
For a while, Best Buy was a survival story, the canniest of the electronics retailers that had outwitted its rivals.
Julius, the canniest of the brothers, came up with the bit in which Adolph denies stealing silverware, which proceeds to drop from his sleeves.
It's not that Presidential biographers have never traced anyone's ancestry; it's that most haven't made that much of it, and the canniest of them have made a point of mocking it.
