O the smooth stream!

啊，平静的溪流！

youdao

In this sense consciousness is less of a smooth stream and more of a bumpy ride.

从这个意义上说，意识与其说是一个平滑河流，不如说是一次颠簸的旅行。

youdao

The stream showed clear and smooth-looking in the glasses and, below the curl of the falling water, the spray from the dam was blowing in the wind.

NPR: Robert Jordan, Hemingway's Bipartisan Hero

The climbing now was steeper and more difficult, until finally the stream seemed to drop down over the edge of a smooth granite ledge that rose above them and the old man waited at the foot of the ledge for the young man to come up to him.

NPR: Robert Jordan, Hemingway's Bipartisan Hero