ㄅㄟˋㄐㄧㄥˇㄌㄧˊㄒㄧㄤbèijǐng‑líxiāng

背井离乡
  1. 離開故鄉異地離鄉背井」。 從小背井離鄉謀生」。

to leave one's native place, esp. against one's will (idiom)​
déracinement, exil, exiler