They did so at the risk of their own lives.

He did his best and put himself at significant risk.

In the city, even without doing anything, he would have been at risk.

And I don't want you to put our children at risk again.

Find out whether he or she is at risk for them.

He was more at risk than she would ever be.

The drug only makes sense for those already at high risk.

He's too young to understand just how much at risk he is.

As is his nature, he had put everything at risk.

Human health must not be put at risk by what we are doing.