He was almost within her reach, when the undertow swept him back.
So swift was the undertow that Powder River was dragged from beneath its rider.
You will be flung on the holme by that undertow on the lee side.
The undertow writhed about their legs, jerked at them wrathfully.
He got ashore after havin' been knocked down and dragged in four times by the undertow.
Though there were no river current, there would be the undertow.
Faster and faster he went, as the undertow gathered force in its rush.
I am able to recall even the undertow of my thoughts while he was speaking.
They saw the pile of melons, and it drew them like an undertow.
With me it swept to sentiment, and carried me uncontrollably in its undertow.