函 hán HSK7 envelop, case Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: case All meanings 3 hán 3 letter 2case 1 1 sentence for 函 (hán — case) 这套线装书共有四函。 zhè tào xiànzhuāngshū gòng yǒu sì hán. This set of thread-bound books consists of four cases. Source: Dong Chinese Dictionary