Some systems only intervene in the event of a signal passed at danger.

By doing this, he puts the bond with his wife at danger.

Indicates that a signal at danger may be passed when wrong line working is in force.

The cause was a signal passed at danger in foggy conditions.

One of her senses was hinting at danger, not so far away.

In the return to France, he took the exposed position of rear guard at great personal danger.

Tell me, what did Ned mean when he hinted at danger?

He wanted to see the world, and laugh at danger.

And why shouldn't she be willing to grant me my life, if she can do so at no cost or danger to herself?

But it will continue to work in Sudan at even greater danger.