Voters clearly have no difficulty distinguishing between real politics and the American show-biz variety.

Two percent of the male population exhibit severe difficulties distinguishing between red, orange, yellow, and green.

Experts say they have no difficulty distinguishing the two varieties.

Given their lack of medical training, most patients tend to have difficulty distinguishing between necessary and unnecessary treatments.

There is no difficulty distinguishing the original Oscar from its substitute.

She no longer had any difficulty distinguishing his voice from those of the other pigs.

Outsiders sometimes had difficulty distinguishing one from the other.

They have difficulty distinguishing between doing something poorly and being a bad child.

The media also had some difficulty distinguishing between these two completely separate agencies.