痴呆 chīdāi HSK7 dementia Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: stupid All meanings 3 chīdāi 3 dementia 2stupid 1 1 sentence for 痴呆 (chīdāi — stupid) 他被突如其来的消息吓得满脸痴呆。 tā bèi tūrúqílái de xiāoxi xià de mǎn liǎn chīdāi. He was stunned senseless by the sudden news. Source: Dong Chinese Dictionary