On a/the razor's edge British phrase
Used to refer to a dangerous or difficult situation
The pandemic has put the national economy on the razor's edge.
Her career is on the razor's edge after her injury.
When you experience extreme and undesirable situations, it is probably essential to take extreme actions
Manage to earn enough money to buy food and other essential things
To begin to decline or deteriorate decline; to get worse very quickly
Eyes with dark rings around them
I get eyes like two burnt holes in a blanket after sleepless 2 nights