Examples
xǔ duō许多fáng wū房屋bèi被hóng shuǐ洪水chōng zǒu冲走le了。
许多房屋被洪水冲走了。
A lot of houses were washed away by the flood.
土壤被雨水冲走了。
The rain washed away the soil.
为了不被洪水冲走，有的人紧紧地抱着树干长达数个钟头。
Some people clung to tree branches for several hours to avoid being washed away by the floodwaters.