French phrase
Que faire en cas de ~ ?
Meaning
What should I do in case of ___?
When to use it
Asks what action to take when something happens. It is used to seek help or practical instructions in an urgent situation.
Example dialogue
Que faire en cas de fuite d'eau ?
What should I do in case of a water leak?
Coupez l'arrivée d'eau et appelez un plombier.
Turn off the water supply and call a plumber.