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you don't know what you're talking about in French

you don't know what you're talking about in French is tu ne sais pas de quoi tu parles.

you don't know what you're talking about in French

tu ne sais pas de quoi tu parles
phrase
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What is "you don't know what you're talking about" in French?

"you don't know what you're talking about" in French is tu ne sais pas de quoi tu parles.

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Translations from WikDict, CC BY-SA · example sentences from Tatoeba, CC BY 2.0 FR.