Lack of motivation in children is one of the most frustrating issues parents face. (empoweringparents.com)
Most mice are wired for a reason - tracking, lag and battery life can present frustrating issues for users, at least on older, lesser mice anyway. (pocket-lint.com)
Too much trouble is one thing but the more frustrating issue lies with the consistency of the bread you produce. (breadkitchenstory.com)