« Tirer le diable par la queue ».

Literal translation:

To pull the devil by the tail.

Meaning:

To be hard up, to live from hand to mouth.

Je crois que nos voisins n’ont presque plus d’argent. Il me semble qu’ils tirent le diable par la queue.

I think our neighbors are almost out of money. It seems to me they’re living from hand to mouth.