We waited in fear and trembling for whatever was to happen.

It never struck us to paddle away.

He came back with great leaps across the jam, one huge hand filled with round, water-washed pebbles.

I am glad that he was unable to find larger missiles, say stones weighing two or three pounds, for we were no more than a score of feet away, and he surely would have killed us.
As it was, we were in no small danger.

Zip! A tiny pebble whirred past with the force almost of a bullet.