1. "What do you say?" (as an invitation or suggestion): This is the most common meaning, used when asking for someone's opinion or agreement on something.
* Example: "On pourrait aller au cinéma, que tu dis?" (We could go to the cinema, what do you say?)
2. "You're saying..." (used to repeat or summarize someone's statement): This is used to confirm what someone has said or to express surprise or disbelief.
* Example: "Que tu dis que tu as gagné au loto?" (You're saying you won the lottery?)
3. "What are you saying?" (used to express confusion or disagreement): This is used to ask for clarification when someone's words are unclear or seem nonsensical.
* Example: "Que tu dis? Je ne comprends pas." (What are you saying? I don't understand.)
4. "What are you saying?" (used to challenge someone's statement): This is used to express doubt or to indicate that you disagree with what someone has said.
* Example: "Que tu dis? C'est impossible!" (What are you saying? It's impossible!)
The meaning of "que tu dis" can be ambiguous without the context of the conversation. Pay attention to the tone of voice and the situation to understand the intended meaning.