风餐露宿 (fēng cān lù sù)

lit. to eat in the open air and sleep outdoors (idiom); fig. to rough

Character breakdown

Usage

他们一路风餐露宿,终于在第7天到达了拉萨。

Enduring the hardships of travel all the way, eating in the wind and sleeping in the open, they finally reached Lhasa on the seventh day.

Tā men yī lù fēng cān lù sù, zhōng yú zài dì qī tiān dào dá le Lā sà.