交集 jiāojí to occur simultaneously
(of diverse emotions) to occur simultaneously; to intermingle; common ground; points of commonality; overlap; connection; interaction; dealings; (maths) (set theory) intersection
How to remember 交集: 交 hand over + 集 to gather = to occur simultaneously.
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How it is used
- In math, the intersection of sets - A和B的交集 (A hé B de jiāojí) the intersection of A and B.
- In everyday use, shared common ground/contact between people: 我们没什么交集 (wǒmen méi shénme jiāojí) we don't really cross paths / have little in common.
- Also literary 'emotions occurring at once': 百感交集 (bǎigǎn jiāojí) a hundred feelings welling up together.