Phrases Talking about Hobbies and Interests

It's a passion project of mine.

C1

Meaning

It's a hobby or activity I'm very enthusiastic about.

Example sentences

John: What are you working on these days?

Alice: I'm writing a novel. It's a passion project of mine.

John: That's amazing! How's it going?

Alice: Slowly but surely. It's challenging but so rewarding. It's a passion project of mine.