通 tōngtòng HSK2 pass through Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: expert All meanings 51 tōng 48 conform to 15pass through 10classifier 8communicate 8prosperous 3be synonymous with 2expert 1throughout 1tòng 3 bout 3 1 sentence for 通 (tōng — expert) 他是一个中国通。 tā shì yī gè Zhōngguó tōng. He is an old China hand. Source: Dong Chinese Dictionary