by a nose
US /baɪ ə noʊz/
UK /baɪ ə noʊz/

1.
d'un cheveu, de justesse
by a very small amount; narrowly
:
•
He won the race by a nose.
Il a gagné la course d'un cheveu.
•
We finished the project on time, but only by a nose.
Nous avons terminé le projet à temps, mais seulement d'un cheveu.