Sentence examples for if not challenge from inspiring English sources

Gartner predicts that 2013 will see a third mobile ecosystem emerge to soften — if not challenge — the dominance of Android and iOS.

Hailed by some as his crowning masterpiece, Godard's swansong is nothing if not challenging.

A 251km six-stage race across the Sahara desert with competitors carrying their own kit, it's nothing if not challenging.

Now, however, the national Ballets de San Juan are find ing themselves threatened if not challenged by the Na tional Ballet Repertory Com pany from New York.

Mapping out a realistic, workable diet free from gluten – or, indeed, Fodmaps – yet big on plants is nothing if not challenging.

He says that his book aims to help President Obama overcome "the beautiful lie" — "a series of assumptions about American omnipotence that, if not challenged, threatens to drive our foreign policy deeper into the red".

This conversation should be nothing if not challenging.

And, while such a high bar must be considered, if not challenged, it should not by itself be a barrier to prosecution.

Under these circumstances, it appears to be surprising that Dp71-null mice do not show impairments in visual functions nor indications of retina degeneration if not challenged [14].

Television would short-change licence-fee payers if it did not challenge them with new material.

"The implications if I did not challenge this could be serious for me.