Wasted efforts all, for my eyes could not see into his, couldn't penetrate behind them.

To what extent, and in what form, should public oversight penetrate behind closed doors?

The harpoon penetrated the dragon's skull at a point just behind the great saucerlike green eyes.

One night the Russians finally broke through and penetrated over fifteen miles behind our lines.

"Didn't we have to penetrate a defence screen behind a thick rock wall?"

At time s there was a sadness and constraint about her; and my most determined efforts could not penetrate behind the veil.

The child's point of view stops when the parents' door is shut, and this child hasn't figured out how to penetrate the mysteries behind it.

On September 11, 1918, these troops rode at night through no man's land and penetrated five miles behind German lines.

He was in need of intelligence operatives who could penetrate behind enemy lines.

Tachyon's power quivered like a live thing, but he held it in check, terrified to penetrate the mind behind that familiar, friendly face.