He runs the mine but is frequently frustrated by her attempts to control things.

He was frequently frustrated by customer complaints that packages had arrived late without the delivery service ever alerting him to the delays.

Agency officials have said their attempts to close Medicaid mills are frequently frustrated by prolonged legal procedures.

Indeed, executives say they are frequently frustrated in trying to meet minority hiring goals set by their companies.

During that period, doctors say, their attempts to give their patients the best possible care are frequently frustrated by recalcitrant insurers.

New collectors are frequently frustrated by printed albums.

It is also normal for toddlers to be frequently frustrated.

It believes in logic above all else, and is frequently frustrated when dealing with the flighty main character.

Fred had been frequently frustrated in his dealings with Ivan.

Foreigners said they were frequently frustrated by a bureaucracy that still awaits orders from the top.