風餐露宿（風餐露宿）　

◎ 風餐露宿 fēngcān-lùsù

[eat in the wind and sleep in the dew—endure the hardships of an arduous journey or fieldwork;go through the hardships of living in the open] 形容旅途或野外生活的艱苦

饑飯困眠全體懶,風餐露宿半生癡?！巍?范成大《元日》