I've had a few clients come in lately reporting extreme frustration with their little one. (mommygroove.com)
I have worked with many lawyers who have expressed extreme frustration over their vendor's lack of communication, and I have been a lawyer frustrated by my vendor's lack of communication! (xactdatadiscovery.com)
In fact, she is unhappy to the point of extreme frustration and anger (which just so happen to be the names of her oldest two little dark sides). (mindbodygreen.com)