Read Edit View history 杞天之虑 Origin Definitions Defs Strokes Stroke Words Sentences Sents created reference approved 杞天之虑/杞天之慮 → 杞人之忧/杞人之憂 (see) 2026/03/04 杞天之虑 / 杞天之慮 Qǐtiānzhīlǜ 杞人之忧 / 杞人之憂 Qǐrénzhīyōu see created reference Mar 4, 2026, 02:25 AM