by the skin of your teeth

US /baɪ ðə skɪn əv jʊər tiθ/
UK /baɪ ðə skɪn əv jʊər tiθ/
"by the skin of your teeth" picture
1.

por los pelos, por un pelo

only just succeed in doing something

:
He escaped the accident by the skin of his teeth.
Escapó del accidente por los pelos.
We won the game by the skin of our teeth.
Ganamos el partido por los pelos.