Phrases Expressing Curiosity or Wonder

That's an intriguing hypothesis.

C1

Meaning

That's an interesting theory.

Example sentences

John: I think the solution to this problem lies in quantum computing.

Alice: That's an intriguing hypothesis. I'd like to hear more about that.

John: It's a complex idea, but the possibilities are enormous. That's an intriguing hypothesis, isn't it?

Alice: Definitely! Let's discuss it in more detail.