mental problems that people may have from birth, or that may be caused by illness or injury, that affect their ability to learn things学习障碍（先天性或由疾病、受伤引起）
a child with severe learning difficulties有严重学习障碍的孩子
They run special classes for students with learning difficulties.他们为有学习障碍的学生开设特殊课程。
The phrase learning difficulties is the standard term in British official contexts to talk about people who have difficulty learning because of a mental condition. The standard term in North America is learning disability.Topics Illnessb2