《汉书·传·外戚传上》
武帝挑选宫中用不着的宫女赶出宫去，子夫得以见到武帝，哭着请求让自己离开皇宫。
武帝择宫人不中用者斥出之，子夫得见，涕泣请出。
Emperor Wu selected the palace maids who could not be used in the palace and drove them out of the palace. Zi Fu was able to see Emperor Wu and cried to ask him to let her leave the palace.