It was penetrating all the way into his mind now.

I did not believe then could penetrate with any true success into their natural realm.

When you penetrate deeply into a country, it is serious ground.

The army, on the third day of the operation, has penetrated 25 miles into Iraq along a 150-mile front.

Something else had penetrated into his sleep and brought him out of it.

At last he penetrated into the great gallery of the women.

We penetrated into areas which were out of reach for the regular army.

It could not penetrate far down into the water of the pond.

A small group which had penetrated deep into the hills.

There was a demand upon her that she penetrate deep into the forest.