We could hardly fail to see some of these indicators.

Even so, he could hardly fail to notice that their performance was very poor.

Then again, she told herself, he can hardly fail more miserably than I have.

I think a business can hardly fail if it's got that sort of spirit.

The dream seemed so close that we could hardly fail to grasp it.

And he could hardly fail to notice if she passed directly before him.

But we could hardly fail to acknowledge each other's presence somehow.

Whether or not it would fully work, the result could hardly fail to be fascinating.

I can hardly fail to hear you when we share the same body.

For if they did, it could hardly fail to occur to them that these need not be the same.