There were several reasons his best efforts might falter.

There are differences of opinion among those involved over why the effort faltered.

Since then, however, several efforts at home and abroad have faltered.

But if the group lacked these abilities, their effort also faltered.

But subsequent efforts to focus on programs that would bring more immediate benefits to Iraqis have also faltered.

But efforts to draw the North out of its isolation have faltered.

An effort to turn it into a Soho-like arts center has faltered.

The openings keep piling up, and the efforts for reform falter.

But accountants and tax specialists say that is where the agency's efforts have faltered.

When those efforts faltered, he moved ahead with plans for layoffs.