keen
[ADJ]
keener , keenest
1. （头脑）敏锐的
If you say that someone has a keen mind, you mean that they are very clever and aware of what is happening around them.
双语例句
例：They described him as a man of keen intellect.
他们把他描述成一个才思敏锐的人。
2. （视觉、听觉）灵敏的
If you have a keen eye or ear, you are able to notice things that are difficult to detect.
近义词
双语例句
例：an amateur artist with a keen eye for detail.
一位对细节有敏锐洞察力的业余艺术家。
3. （兴趣或情感）强烈的
A keen interest or emotion is one that is very intense.
双语例句
例：He had retained a keen interest in the progress of the work.
他一直对工作的进展保持着强烈的兴趣。
4. 渴望的
If you are keen on doing something, you very much want to do it.
双语例句
例：You're not keen on going, are you?
你不是很想走，对吗？
5. 热衷的
If you are keen on something, you like it a lot and are very enthusiastic about it.
双语例句
例：I wasn't too keen on physics and chemistry.
我对物理和化学并不太热衷。
6. 着迷的
You use keen to indicate that someone has a lot of enthusiasm for a particular activity and spends a lot of time doing it.
双语例句
例：She was a keen amateur photographer.
她是一个痴迷的业余摄影师。
7. （战斗或竞争）激烈的
A keen fight or competition is one in which the competitors are all trying very hard to win, and it is not easy to predict who will win.
ADJ. 形容词
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