Sentence examples for difficult if not untenable from inspiring English sources

On Isle de Jean Charles, the storms have made life difficult, if not untenable.

Proving motive is difficult, if not impossible.

"It would be difficult if not impossible".

But sorting out intent may be difficult, if not irrelevant.

But libraries insist that will be difficult, if not impossible.

Those differences are difficult, if not impossible, to quantify.

The questions posed are difficult if not impossible to answer.

Accomplishing both will be difficult, if not impossible.

The process is difficult, if not almost impossible.

Very difficult if not impossible 10.53am BST Moyes to Celtic?

Surfing is difficult, if not impossible, without fins.