Sentence examples for if not challenged from inspiring English sources

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.

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".

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].

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.

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

This conversation should be nothing if not challenging.

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

"If you are not challenged, if you feel undervalued, or Monday mornings are…the worst part of the week, it's time you moved on".

If they are not challenged for a cause which is sustained, and if they are not challenged peremptorily, then they are necessarily the jury to try the case.