愚不可及 yúbùkějí hopelessly stupid Origin Definitions Defs Strokes Stroke Words Sentences Sents 愚 yú adjective foolish stupid; silly; simple-minded; not clever不可 bùkě auxiliaryadjective cannot to be unable to; to be impossible及 jí to match To be as good as or equal to something else; often used in the negative to mean not as good as.