相知恨晚 xiāngzhīhènwǎn to regret meeting so late Origin Definitions Defs Strokes Stroke Words Sentences Sents 相知 xiāngzhī to know each other well to be well acquainted with each other; to understand one another deeply恨 hèn verb to regret to regret; to feel remorse; to be exasperated by one's own mistakes or a situation晚 wǎn adjective late late; behind schedule; delayed