What Does Keen on Mean?

keen on. : very enthusiastic or excited about wasn't keen on going. keen. verb. keened; keening; keens.

Is it keen to or keen on?

Keen to + base form of verb. The "to" + verb is the infinitive form. Keen on + present participle: This is the gerund form. "on" is a preposition.

Is not keen on meaning?

From Longman Dictionary of Contemporary Englishbe keen on somebody/somethingbe keen on somebody/somethingBritish English spoken to like someone or something I'm not keen on cabbage. not too/not very/not that keen on something She likes Biology, but she's not too keen on Physics.