He has difficulty telling the twin who likes him from the one who does not.
She does not appear to have any difficulty telling skaters here what it takes.
And they'll have great difficulty telling your voice and mine apart won't they?
They may have difficulty telling their manager about problems with their job or department.
I would have a lot of difficulty telling them apart.
The mother also told defense lawyers that her daughter has difficulty telling a "complete story" in one sitting.
Have you begun to have difficulty telling where I am?
People who are not friends of Fred's often have difficulty telling when he's being serious.
The instructors said she had difficulty telling the difference, sometimes, between a person trying to teach her something, and being controlled.
Jeff Streich is a person who has difficulty telling the truth.