French phrase
Vous pouvez fumer dehors.
Meaning
You can smoke outside.
When to use it
It permits smoking outside. It is a polite way to allow smoking where indoor smoking is prohibited.
Example dialogue
Il est interdit de fumer à l'intérieur. Vous pouvez fumer dehors.
Smoking indoors is prohibited. You can smoke outside.
D'accord, je sors une minute.
Okay, I'll step outside for a minute.