交集 Save Sign in to save words On the HSK 7-9 vocabulary list, at CEFR level C2. jiāojí ㄐㄧㄠ ㄐㄧˊ 男 女 to occur simultaneously to intermingle of diverse emotions common ground points of commonality overlap connection interaction dealings (set theory) intersection math. Character by character 交(jiāo)hand over 集(jí)gather A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT