Not playing much this year has been the most frustrating part.

The most frustrating thing was, he had a feeling she really wanted to tell him.

The 1985 campaign was one of the most frustrating in the team's history.

"But the most frustrating thing for me is watching and seeing ways that I could help."

I think that is the most frustrating part about this.

I call it the most frustrating thing that ever happened to me.

The most frustrating thing as the season begins has been the power play.

The most frustrating thing is that I have not played to my potential.

What I find most frustrating is the child who sees no reason to get an education.

But does the project have to be history's most frustrating, too?