mental handicap
noun
- a condition in which the intellectual capacity of a person is permanently lowered or underdeveloped to an extent which prevents normal function in society心理缺陷, 智力障碍。
USAGE
The terms mental handicap and mentally handicapped, though widely used a few decades ago, have fallen out of favour in recent years and have been largely replaced in official contexts by newer terms such as learning difficulties. See usage at LEARNING DIFFICULTIES.