The people are escalating in their threatening behavior.

The behaviors associated with anger are designed to warn aggressors to stop their threatening behavior.

The next step is to develop an effective international response to Iran's threatening behavior.

"Arrest this man for his threatening behavior."

Anger is a way to behave which is designed to make something showing aggression ("aggressors") stop its threatening behavior.

He was accused of using threatening or insulting behaviour and of assaulting a police officer.

This is their way of showing threatening behavior.

This is an aggressive nation and Allotria, a welfare state, ignores its threatening behaviour.

Finally Elliot sat up on one elbow, which caused a burst of signing but no direct threatening behavior.

But North Korea later renewed its threatening behavior.