KEEN
She was never keen (i.e. enthusiastic) about fox hunts. They were keen (i.e. eager) for the morning’s first news.
“He is very keen (i.e. sharp) of hearing.” (Frederick T. Wood, English Prepositional Idioms)
“I wasn’t particularly keen on (i.e. interested in) children — and I’m still not.” (Princess Anne, American Press)