Different opinions
Chinese idiom, Pinyin is Q í ch ū Q í R ù, which means there is no fixed place to go in and out. From preface written by Li Kai in Qing Dynasty.
The source of the idiom is Li Kai's preface in Qing Dynasty: "the place where you live is not enough to be your hometown. Therefore, those who know that they are different from each other but have no way to return will lose their home, and they will not be able to stand on their own
Different opinions
a person who returns to a place he once abandoned - qián dù liú láng