Sentence examples for improbable tenacity from inspiring English sources

For the past 30 months he has clung to power with improbable tenacity, shrugging off scandals that would have felled the leader of almost any other country.

But tenacity has its limits.

3.  Tenacity.

And tenacity".

Sound improbable?

How improbable?

How is their tenacity?

Tenacity is persistence.

"A document of tenacity".

Strengths: Tenacity, pursuit, tackling.

Talk about tenacity.