witted
adj. 智力……的；脑筋……的
例句
She was quick-witted and had an extraordinarily agile mind.
她很机智并且有一个特别敏锐的头脑。
《柯林斯英汉双解大词典》
Don't you see what it MEANS, you--you dull-witted animal?
你还不明白这是什么意思吗，你——你这头愚蠢的动物？
An' us all thinkin' he was a poor half-witted lad with not a straight bone in him.
我们都认为他是一个可怜的弱智孩子，浑身没有一根直的骨头。
