French phrase
En cas d'urgence, ~.
Meaning
In an emergency, ___.
When to use it
Prompts contact with designated staff in an emergency. Common in workplace or facility notices, with a direct instructional tone.
Example dialogue
En cas d'urgence, contactez la sécurité.
In an emergency, contact security.
Très bien, j'appelle la sécurité tout de suite.
Understood, I'll contact security right away.