门厅里到处乱扔着玩具和雨靴。The entrance hall is littered with toys and wellington boots.房间里到处是乱扔的报纸。The room was littered with discarded newspapers.年轻人乱扔石头袭击驾车的人indiscriminate attacks on motorists by youths throwing stones...

“乱扔”的英语可以翻译为：leave about，leave about(around) ...