French phrase
Tu peux parler plus fort, s'il te plaît ?
Meaning
Can you speak louder, please?
When to use it
A polite request to speak more loudly. Natural among peers in an informal setting.
Example dialogue
Je suis au fond de la salle. Tu peux parler plus fort, s'il te plaît ?
I'm at the back of the room. Can you speak louder, please?
D'accord, je vais parler plus fort.
Okay, I'll speak louder.