you know your stuff; you’re knowledgeable about it
→ vous
phraseRare#34,805
you know your stuff; you’re knowledgeable about itUsed to ask or state that someone is knowledgeable, experienced, or skilled in a subject. It is typically followed by en + topic, or by a more general context phrase like dans ce domaine. This is a polite/plural form, often used for emphasis or respect.