on tenterhooks
US /ˈtɛntərˌhʊks/
UK /ˈtɛntərˌhʊks/

1.
sulle spine, in ansiosa attesa
in a state of anxious suspense or expectation
:
•
We were all on tenterhooks waiting for the exam results.
Eravamo tutti sulle spine in attesa dei risultati dell'esame.
•
The whole country was on tenterhooks during the election night.
L'intero paese era sulle spine durante la notte delle elezioni.