sleep rough

基本解释

At this time of year, a lot of children sleep rough outside shops or in the market.
每年這個時候，很多孩子就直接睡在商鋪外麪或者市場裡頭。
He had to dodge German pursuers, sleep in caves, rely on the hospitality (and courage) of Italian villagers, go hungry for days, sleep rough and trust his home-made compass to get him back to safety.
他躲避德兵追擊、睡在山洞、靠意大利村民給予食物（和勇氣）、挨餓數日、露宿荒野，最後，得益於自制羅磐，他廻到了安全地帶。
For reasons of expense I'm aiming to bypass hotels and even campsites whenever it seems feasible, and instead sleep rough.
出於經費考慮，我打算繞開酒店，甚至繞開看上去可行的露營地，睡覺就隨便對付過去。

Yet in his next breath he mentions a number of local families who have been forced to sleep rough since mortgage lenders foreclosed on their flats.
ECONOMIST: The city-state stays strict with the needy
He had to dodge German pursuers, sleep in caves, rely on the hospitality (and courage) of Italian villagers, go hungry for days, sleep rough and trust his home-made compass to get him back to safety.
ECONOMIST: British military history