French phrase
Je ne peux pas à cause de ~.
Meaning
I can't because of ___.
When to use it
Shows that a specific cause prevents someone from acting. It is natural when giving a reason for declining without blaming anyone.
Example dialogue
Je ne peux pas à cause de mon travail.
I can't because of work.
Pas de souci, on remet ça.
That's okay, let's reschedule for another time.