A year later, when the frustration had reached almost unbearable proportions, she came to him in a whirl of excitement.

The principals are introduced just as their quiet frustrations are reaching critical mass.

When nagging failed, her frustration reached a pitch in which she screamed and threw objects round the house.

The frustration reached a level of, let's do something.

For some, the frustration of a fruitless search for work is reaching near despair.

Fleury's frustration got progressively worse during the trip and reached a peak on Saturday.

In 1837, frustration over these entrenched elites reached boiling point.

Maybe the frustration had reached its peak.

Then, as his frustration reached new depths, he felt something else, something solider, more substantial.

My frustration has reached a level that is so unsettling, something has to be done.