"I had not thought to set spies to watch thy house."

But that doesn't mean we won't have spies watching us at all times.

It was impossible to sit in a public place without wondering which spies were watching you.

After my time with Rolf, he would have had spies watching for me.

"No doubt even now their spies watch us from among the tall grass or out of some hole."

There was no helping it if a spy were watching from the surrounding plain.

Don't you realize our government has spies watching you every moment?

The stars are his thousand-eyed spies, watching every movement of men.

"Could you tell if there's a shielded spy watching us by the shield on him?"

Knowing the spy may be watching your quarters is to our advantage.