Then the rider ahead slipped out of sight down the other side of the hill.
The other slipped ahead, blended with the blackness of the palace wall.
When they were in place, she slipped across with her three remaining companions in a triangular shield ahead.
Then they were through the entry and into the tunnel beyond, slipping soundlessly ahead.
Pe Ell slipped ahead, picking his way slowly, cautiously, waiting for something to show itself.
She was slipping on the wet bricks ahead.
McLean then made an effort and slipped ahead.
This is great soul jazz: Williams coasts across bar lines, slipping ahead, behind and between the beats.
The highlander did not pause, but slipped ahead into the darkness, knowing.
Thérese slipped through a big set of grey-painted metal doors ahead.