- But I was not keen on the idea.
- Yes, I'd keen for a cycle ride.
- We are keen to back such people.
- She's not that keen in some ways.
- J KEY to attack, K KEY to jump.
- Timing is key in every respect.
- Prevention is key for the kids.
- Planning is key at home and at work.
- He appeared very knowledgeable about the Bible.
- He was very knowledgeable in the Qur'an.
- Be knowledgeable of instrument symbols.
- Be knowledgeable on the subject.