Wherever the bear went, it sent a signal, which betrayed his position at all times.

Every piece of equipment whose radiation would have been able to betray their position was turned off.

He held his own breath, to keep from betraying his position under the table.

As such, only my head movement would betray my position.

I didn't dare make a move for fear of betraying my position by a noise.

Which is exactly what he did, betraying the unit's position.

Such defeat measures are wasteful of energy and betray one's own position.

The lamp's click was all that had betrayed his position.

Shots would have betrayed his position, and he wanted no firing in this direction.

The revealing flash of an automatic would have betrayed his exact position.