He is frustrated by the lack of information from official sources.

However, he was also frustrated there by the lack of opportunities.

Frustrated by the lack of response, he rose and walked back toward the kitchen.

Frustrated by the lack of state support, he left to take a position at Columbia.

He is said to be frustrated on occasion by the women's lack of experience.

Has he been frustrated this seasons by his lack of playing time?

Military officials were frustrated by the lack of information about the insurgents.

"They've been frustrated by the lack of attention, but now they're being taken much more seriously."

McDonald wrote that he was "frustrated by the lack of good game play."

It also gives a boost to teachers, who are frustrated by the lack of support from home.