天人之际 tiānrénzhījì boundary between heaven and humanity Origin Definitions Defs Strokes Stroke Words Sentences Sents 天人 tiānrén nature and humanity The relationship between natural phenomena and human affairs, often appearing in the concept 天人合一 tiānrénhéyī之际 之際 zhījì locative at the time of (bound form) at the moment when; during the time of