sul filo del rasoio

Italian

Etymology

Literally, “on the wire of the razor”. Compare French sur le fil du rasoir.

Prepositional phrase

sul filo del rasoio

1. (idiomatic) on the knife-edge, on the edge, on thin ice

   camminare sul filo del rasoio ― to walk a tightrope (literally, “to walk on the knife-edge”)