交集 jiāo jí 🔊 to occur simultaneously; to intermingle HSK 7–9 + Review this word Meanings jiāo jí (of diverse emotions) to occur simultaneously; to interminglecommon ground; points of commonality; overlap; connectioninteraction; dealings(math.) (set theory) intersection Its characters 交jiāoto hand overHSK 4集jíto gatherHSK 5 Words with 交集 百感交集 bǎi gǎn jiāo jí all sorts of feelings well up in one's heart 悲喜交集 bēi xǐ jiāo jí mixed feelings of grief and joy