I have a keen interest in...

Meaning

I'm very interested in...

Examples

• John: What are your hobbies?
• Alice: <b>I have a keen interest in</b> Japanese calligraphy. It’s very relaxing.
• John: Wow, that's unique! How long have you been doing it?
• Alice: A few years now. <b>I have a keen interest in</b> mastering the art form.