These assertions are difficult to refute.
As it turns out, this argument is difficult to refute.
Viewed through an outsider's eyes, it's difficult to refute.
However diplomatic Nadal wants to remain, it is difficult to refute the evidence.
But Tindall's central complaint — that the classical-music world has created a crisis by training too many musicians and supporting a culture of exorbitant pay for a few fortunate stars — is difficult to refute.
A friend of mine, ruing the design of "The Fellowship of the Ring," said that it relied on fantasy rather than on folklore, and the charge is difficult to refute; what allows Jackson to animate his pictures, even as they threaten to founder in fantastical gothic, is his knack (again, Olivier-like) for the telling gesture.
Given the recent rush to gain 25,000 or so jobs from Amazon's HQ2 and the subsequent grumbling by cities passed over, it is difficult to refute this, but I'd like explore it.
OK, this is one of those throw-away statements that's difficult to refute, but also difficult to fact-check.
Nevertheless, he thought much of what Chomsky had to say was "practical" and that it was "difficult to refute much of what he says about the way Western society is set up".
Stories that are difficult to refute can become the evidence that drives decision-making.
