Voters who do not know the history of the two proposals may have trouble differentiating between them.

There is such a division of talent, strength and depth here that at times I have trouble differentiating who will be first or last.

Unlike her daughter, Doris never has any trouble differentiating between reality and make-believe.

Thomas J. Knock, a professor of history, said the public might have trouble differentiating between the library, museum and the university.

Each day seemed exactly like the last, and she had trouble differentiating among them.

I don't think anyone would have trouble differentiating even these two (ostensibly) identical applications running in the two environments.

No one focusing on the actual economy has any trouble differentiating the fall of 2003 from the spring of 2000, of course.

Nobody'd have any trouble differentiating that hair under a comparison 'scope.

For instance, Michael would have trouble differentiating complex shapes, dimension and orientations of objects.

Being a woggle bug, he has trouble differentiating between the dress and its wearers, wax or human.