系 jìxìhai HSK1 system Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: be All meanings 47 jì 29 tie 28button 1xì 14 bind 4department 3relate 2be 1system 1arrest 1connect 1worry 1hai 4 to be 4 1 sentence for 系 (xì — be) 该项技术系我司自主研发。 gāi xiàng jìshù xì wǒsī zìzhǔ yánfā. This technology was independently developed by our company. Source: Dong Chinese Dictionary