As a young child, Clara had great difficulty studying and making friends at school.

VOA: special.2009.07.26

She had to make friends with the country children, and perhaps explain some things to the town children who had been her friends the year before, but if she had any difficulty with that I never heard about it.

NEWYORKER: Gravel

She can have difficulty controlling her impulses and she falls quickly into conflicts with friends.

FORBES: The Problem with High Expectations

In the hours after the earthquake, NTT DoCoMo, like other Japanese carriers, had difficulty managing cellular traffic as people rushed to make phone calls to family and friends.

FORBES: Japanese Carrier NTT DoCoMo Pulls Out Of U.S. Wireless Show Due To Quake