be on the razor's edge

Meaning

1. Oxford100% of films

   to be in a difficult situation where any mistake may be very dangerous

   He's still on the razor's edge of a mental breakdown.

In the movies · 1

• He's still on the razor's edge of a mental breakdown.White Dog1982
• Inch by nerve-racking inch, using only their fingertips to grasp razor sharp edges.The Dawn Wall2017
• Climb to the top Look over the ledge Dance barefoot on a razor's edgeBoyhood2014

Learn it in full scenes

• The Dawn Wall2017
  • Tommy's Father Toughens Him Up
  • Tommy Caldwell Wins Snowbird
  • Climbers Taken Hostage in Kyrgyzstan