離鄉(xiāng)背井（離鄉(xiāng)背井）　

◎ 離鄉(xiāng)背井 líxiāng-bèijǐng

[flee one‘s home;tear oneself away from one’s native place; turn one‘s back on one‘s native land and leave it] 離開家鄉(xiāng)去謀生

大批農(nóng)民離鄉(xiāng)背井,去尋找新的肥沃土地