Read Edit View history 杞国忧天 Origin Definitions Defs Strokes Stroke Words Sentences Sents created reference approved 杞国忧天/杞國憂天 → 杞人忧天/杞人憂天 (see) 2026/03/04 杞国忧天 / 杞國憂天 Qǐguóyōutiān 杞人忧天 / 杞人憂天 Qǐrényōutiān see created reference Mar 4, 2026, 02:25 AM