《论语·为政篇》
等他回去后，我观察他私下里同别人讨论时，却能发挥我所讲的，可见颜回他并不愚笨呀！ 
退而省其私，亦足以发，回也不愚。 
When he came to me, however, he would discuss the lessons with me and demonstrate his grasp of them. And so I believe that he is not a stupid fellow.
<s>[INST] 将以下现代汉语文本转换为文言文: 等他回去后，我观察他私下里同别人讨论时，却能发挥我所讲的，可见颜回他并不愚笨呀！  [/INST] 退而省其私，亦足以发，回也不愚。 </s>
将以下现代汉语文本转换为文言文: 等他回去后，我观察他私下里同别人讨论时，却能发挥我所讲的，可见颜回他并不愚笨呀！
user
退而省其私，亦足以发，回也不愚。
assistant