《汉书·志·五行志中之上》
妹妹进宫被封为昭仪。因偷着杀死后宫的皇子，最后都被处死，造就是 燕飞来，啄皇孙，皇孙死，燕啄矢 的含意了。
弟昭仪贼害后宫皇子，卒皆伏辜，所谓 燕飞来，啄皇孙，皇孙死，燕啄矢 者也。
His younger sister entered the palace and was titled a Consort of the Zhaoyi rank. Because she secretly killed the皇子 (imperial son) of the imperial harem, she was eventually executed, which was the meaning of: The swallow flies here, Pecks at imperial grandson, Imperial grandson dies, Swallow pecks at arrow.