an old-fashioned word for someone who has not developed mentally as much as most other people of the same age. This word is now considered offensive. (过时用语)痴呆的,弱智的
(old-fashioned, offensive) VERBS | ADVERBVERBS➤be, look遲鈍;看上去遲鈍ADVERB➤severely嚴重遲鈍◇Many of the children are severely retarded.很多孩子都反應遲鈍。➤mildly, slightly輕微/有些遲鈍▸➤emotionally, mentally, socially感情上遲鈍的;智障的;社交障礙的◇a mentally retarded child智障的孩子