I didn’t know you were interested in that, but you certainly surprised me.

Translation language

Sentence

Narrator

I'm surprised to hear you're interested in that!

That's unexpected! I didn't know you were interested in that.

Wow, I'm really surprised! I had no idea you were into that.

I thought you weren't interested, but I see I was wrong.

I was unaware of your interest in that matter; however, your enthusiasm has certainly impressed me.

No way! I didn't know you liked that stuff. You really surprised me.

I didn't know you liked that, but you surprised me.

Having or showing interest in something.

To cause someone to feel unexpected astonishment.