1. interested
I'm interested in politics.
Is there any particular color that you are interested in?
He listened to my pitch, so he must be interested.
If you are interested in studying English with a native speaker, please contact me.
You're the only person I know besides me who is actually interested in this kind of thing.
For one thing, I'm busy; for another, I'm not interested.
Would you be interested in a project you would really like to do?
If you need to use the services of a company, you may be interested to know what standards they work towards before choosing to work with them.
I have often observed how little young ladies are interested by books of a serious stamp, though written solely for their benefit. It amazes me, I confess; for, certainly, there can be nothing so advantageous to them as instruction.
Seize the moments of happiness, love and be loved! That is the only reality in the world, all else is folly. It is the one thing we are interested in here.
He began to read vegetarian books and became interested in different foods
Sarah's only interested in boys, music, and clothes. [+ to do sth] I'd be interested to find out more about the course.
You have always been so interested in Scotland, and that is one reason why I am interested in you
You will be interested to know that we have just introduced our new Managing Director, Mr Masaru Ezaki.
If you were really interested in what I'm saying you wouldn't be staring out of the window.
2. keen
David has a keen interest in aesthetics — the qualities that make a painting, sculpture, musical composition, or poem pleasing to the eye, ear, or mind.
keen on something
A fence between makes love more keen.
Competition is very keen in the car industry.
Boeing, which builds more than half the world's commercial airliners, is understandably keen to draw attention to what can go wrong besides planes.
Japanese parents are not keen to talk about their own children.
bank was keen to build long term customer thrust.
They were very keen to start work as soon as possible.
She always look for extra work to do- she's very keen.
a. The butcher’s keen knife cut through the meat.
As a keen cyclist I am especially pleased by the provisions for carrying bicycles on the train.
They were very keen to start work as soon as possible.; Joan wanted to go to a movie but I wasn't keen (= I didn't want to go).; She's a keen tennis player.; She's keen on (playing) tennis.
meets a unique set of obstacles, but Campbell’s keen insight was that the outline of these stories is
He has become keen on Italian food since visiting Rome.
Hounds hunt by their keen scent.