There is one particularly stubborn leak just behind the left breast.

This more extreme measure is usually used only for serious or particularly stubborn infections.

Then Beard jumped slightly as the plane hit a particularly stubborn air pocket and his face once again became ashen.

Akbar, the eldest, is particularly stubborn, and vows to keep her away from her husband at all costs.

There were times during the night when Blade felt like a door-to-door salesman trying to sell a vacuum cleaner to a particularly stubborn customer.

O'Brien had gotten down on his knees, the better to apply force to a particularly stubborn panel fastening.

The Shadowlanders up the pass were being particularly stubborn.

My old drill sergeant used to sigh that way when a recruit was particularly stubborn about learning.

The spell was broken one day by a particularly stubborn fisherman who used clubs to beat his way through the grey mist.

At that time, in 1971, much like today, unemployment was proving particularly stubborn.