flow past in an endless stream 川流不息

“川流不息”，汉语成语，字面意思是“The stream never stops flowing”。指事物像水流一样连续不断。可以翻译为“ flow past in an endless stream，never-ending”等。

例句：

主干道上的车辆川流不息。

The cars flowed in steady streams along the main road.

街上行人川流不息。

People streamed across the street.