The lack of good music to play remains a constant frustration.

One constant frustration of any education reporter is how hard it is to get significant access to schools that are struggling.

And to the city and Federal prosecutors, it has been a source of constant frustration.

It could be constant frustration or a stimulating challenge, depending on a teacher's motivation, energy and talent.

His constant frustration with procedures and red tape are a major theme throughout the entire series.

After the war, his impotence served as a constant frustration.

Since he is a balloon, Alan has no hands, which is a constant frustration of his.

Inmates are in a state of almost constant frustration, she said.

It got to a point when I passed offers up rather than have to live with constant frustration.

The war was a source of constant frustration for the president, and it occupied nearly all of his time.