by the skin of your teeth
US /baɪ ðə skɪn əv jʊər tiθ/
UK /baɪ ðə skɪn əv jʊər tiθ/

1.
de justesse, par un cheveu
only just succeed in doing something
:
•
He escaped the accident by the skin of his teeth.
Il a échappé à l'accident de justesse.
•
We won the game by the skin of our teeth.
Nous avons gagné le match de justesse.