French phrase
Désolé, je parle mal ~.
Meaning
Sorry, I don't speak ___ well.
When to use it
A polite apology for limited ability in a language. It is used when language skills are insufficient and help may be needed.
Example dialogue
Désolé, je parle mal français.
Sorry, I don't speak French well.
Ce n'est pas grave, je peux répéter plus lentement.
That's okay, I can repeat more slowly.