痴愚者一个人智能迟缓发展，仅具有7岁到12岁的智能，一般在一定程度的学术或职业教育后能够进行交流和掌握社会技术。这个词是一个集合概念，现在不再使用，并被视为带有侮辱意味 A person of mild mental retardation having a mental age of from7 to12 years and generally having communication and social skills enabling some degree of academic or vocational education. The term belongs to a classification system no longer in use and is now considered offensive.
她对这个老人手脚迟缓，头脑糊涂十分恼火。她应该记住人都要年老的。 She gets impatient with the old man being so slow and confused. She ought to remember that old age comes to us all.
很多队员渐渐变得动作迟缓了。这支队所需的是一些新鲜血液。 Many of the players are getting sluggish and what this team needs is some fresh blood.
无力的缺乏能量和活力；迟缓的 Lacking energy or vitality; sluggish.
