French phrase
C'est la faute de ~.
Meaning
It's ___'s fault.
When to use it
Blames an outside cause for a problem. It can sound like an excuse or an attempt to shift blame.
Example dialogue
Pourquoi on n'a pas sorti le barbecue ?
Why didn't we get the barbecue out?
C'est la faute de la météo.
It's the weather's fault.