益智 yìzhì intellectual Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 下棋是一项非常受大众欢迎的益智活动。 xià qí shì yī xiàng fēicháng shòu dàzhòng huānyíng de yìzhì huódòng. Playing chess is a very popular intellectual activity among the public. Source: Dong Chinese Dictionary