Her life's work is a result of a constant, concentrated effort.

But it means a concentrated effort from now through the turn of the century.

This kind of concentrated effort is quite new, even for Norway.

"It just takes a concentrated effort now to go away for the night or out to dinner," Michael said.

She was not sure Francisco would live, even with their concentrated efforts.

That thought seemed to be a concentrated effort from all three rather than any individual questioning.

At the moment he looked happy and, despite the long hours of concentrated effort, almost relaxed.

"They've made a concentrated effort to build this part of their business."

You are getting married, which takes a certain amount of concentrated effort.

There is a concentrated effort to bring in young people from poor families, including those who are homeless.