1.   Frustration is where a contract is terminated by an event which has arisen through no fault of either contracting party.

2.   His angry frustration was understandable.

3.   Along the way, there had been other frustrations.

4.   Always before, there was hope even when there was frustration.

5.   Among players, frustration is evident.

6.   Among Palestinians and their Arab allies, meanwhile, there is great frustration over a perceived U.S.-Israeli charade.

7.   And his frustrations are likely to be much greater than those of his predecessors.

8.   And then there has been the frustration with the running backs, going back to the middle of last season.

9.   And their frustration is more with the politicians than with the agencies of the government.

10.   And there were frustrations for the designers themselves.