The police seemed more intent on keeping the crowds from penetrating the city center, as they had done Saturday.
The Giants must keep Jackson from turning the corner or penetrating the secondary.
A guard kept the sickle from penetrating too far into the can.
My mail kept it from penetrating, but the impact broke a rib.
With our limited shot-blocking capabilities, we have to keep people from penetrating.
We have to keep them from penetrating and play physical up top and play hard.
The felt will keep moisture from penetrating into the wall.
I squeezed my eyes shut, trying to keep his lies from penetrating my consciousness.
-There are two ways to keep precipitation from penetrating a building.
Only the turn of the weather as winter approached kept them from penetrating further into Anatolia.