French phrase
Il faut que vous ~ !
Meaning
You must ___!
When to use it
A strong recommendation to take necessary action. It is used when contacting a specialist or handling an important matter is needed.
Example dialogue
Il faut que vous appeliez un médecin !
You must call a doctor!
D'accord, j'appelle le médecin tout de suite.
Okay, I'll call the doctor right away.