► be on the brink of chaos (=to be about to become completely confused and disorganized)· The peace talks were on the brink of chaos.
► be on the brink of disaster (=be almost ending in a very bad way)· Once again the peace process was on the brink of disaster.
► be on the brink/verge of extinction (=be at the point of almost not existing)· The Siberian crane is on the verge of extinction due to hunting.
► poised on the brink/edge of something
The economy is poised on the edge of collapse. ► be on the brink/verge of ruin (=be close to ruin)· The recession could leave many businesses on the brink of ruin.
► be on the brink of war (=be about to be involved in a war)· The country was on the brink of war.