In huck Finn why did the people return to the kings show?

In washwoman who is telling the story

How can i use "as william walking with his wife was seen" as a short sentense

[he] let his gaze wander to the swirling water of the stream racing madly beneath his feet. a piece of dancing driftwood caught his attention and his eyes followed it down the current. how slowly it appeared to move! what a sluggish stream! what contrasting words are used to describe the stream in this passage?