Sentence examples for proved unable to maintain from inspiring English sources

He proved unable to maintain that standard and lost ground after shooting a two-over-par 72 on Saturday.

The rotary airlock which was placed between these conveyors, proved unable to maintain a pressure seal, thus the entire conveying system was sealed and pressurized.

RA control children proved unable to maintain sustained fixation, even with the simplest 3 ball tracking task and were thus excluded from this task.

But it again proved unable to keep its family business private.

Meanwhile, Marie-Thérèse had proved unable to hold Louis's affection.

TNF proved unable to exert a similar effect.

He proved unable to govern alone.

Inept generals proved unable to govern.

Alas, it proved unable to do so.

The BBC has proved unable to cope.

But Ms. Bartz proved unable to rejuvenate the company.