Dakota isn't very keen to go to the party because there won't be many people she knows there.
Livia is a very keen student who asks lots of questions, and always puts in a great deal of effort on all her assignments.
Jasper has a keen interest in politics, and is planning to run for
office himself when he grows up.
My Linguistics professor has a keen ear for accents, and can identify almost any accent you can imagine.
The eagle's keen eyesight allows it to spot even the smallest prey from a great height.
Fans of the books "The Lord of the Rings" are
keenly awaiting the release of the first film based on the fantasy trilogy.
Even the keenest supporters of the Liberal party are having doubts about their leader following this latest scandal.
John Burroughs once said that joy in the universe, and keen curiosity about it all, serve
as his only religion.
The human sense of smell is so keen that it can detect the odors of certain substances even when they are diluted to 1 part to 30 billion.
The sensitivity of the human eye is so keen that on a clear, moonless night, a person standing on a mountain can see a match being lit as far as 50 miles away.
Following the break up of the Soviet Union, Russia has been keen to maintain an influence in the Caucasus region.
The island nation of Samoa has a number of first-class diving spots if you're to keen do some underwater sports.
Estimates of the number of child laborers are difficult to obtain because governments are not keen to measure a phenomenon which is not supposed to exist.
Both psychologists and philosophers are keenly interested in determining the origins of knowledge.
Find someone who is keen to take another English course after this one.