hang by a thread
US /hæŋ baɪ ə θrɛd/
UK /hæŋ baɪ ə θrɛd/

1.
ne tenir qu'à un fil, être en péril
to be in a very dangerous or precarious situation; to be very close to failure or collapse
:
•
His political career is hanging by a thread after the scandal.
Sa carrière politique ne tient qu'à un fil après le scandale.
•
The company's future is hanging by a thread due to financial difficulties.
L'avenir de l'entreprise ne tient qu'à un fil en raison de difficultés financières.