a hair's breadth

US /ə ˈherz bredθ/
UK /ə ˈherz bredθ/
"a hair's breadth" picture
1.

на волосок, чуть-чуть

a very small amount or distance

:
He escaped the accident by a hair's breadth.
Он избежал аварии на волосок.
The two cars passed each other by only a hair's breadth.
Две машины проехали друг мимо друга на волосок.