Phrases Talking about Hobbies and Interests

I'm quite engrossed in...

C2

Meaning

I'm deeply involved and fascinated by something.

Example sentences

John: I haven't seen you all day. What have you been up to?

Alice: I'm quite engrossed in this new novel; it's utterly captivating.

John: Oh? What's it about?

Alice: It's a historical mystery. I've completely lost track of time! I am quite engrossed in it.