keen /kiːn/ star3 CET4 TEM4 (keener,keenest)

• 1.  

  ADJ（形容词） If you say that someone has a keen mind, you mean that they are very clever and aware of what is happening around them. 敏锐的 [ADJ n]

  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.  

  ADV（副词） keenly 敏锐地

  例：

  They're keenly aware that whatever they decide will set a precedent.

  他们敏锐地意识到无论他们决定怎么做，都会开创先例。

• 3.  

  ADJ（形容词） If you have a keen eye or ear, you are able to notice things that are difficult to detect. 灵敏的

  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。

• 4.  

  ADV（副词） keenly 灵敏地 [ADV with v]

  例：

  Charles listened keenly.

  查尔斯竖起耳朵听着。

• 5.  

  ADJ（形容词） A keen interest or emotion is one that is very intense. 强烈的 [英国英语]

  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。

• 6.  

  ADV（副词） keenly 强烈地

  例：

  She remained keenly interested in international affairs.

  她一直对国际事务有强烈的兴趣。

• 7.  

  ADJ（形容词） If you are keen on doing something, you very much want to do it. 渴望的 [v-link ADJ]

  例：

  You're not keen on going, are you?

  你不是很想走，对吗？

• 8.  

  N-UNCOUNT（不可数名词） keenness 渴望

  例：

  ...Doyle's keenness to please.

  …多伊尔的极欲讨好心态。

• 9.  

  ADJ（形容词） If you are keen on something, you like it a lot and are very enthusiastic about it. 热衷的 [v-link ADJ 'on' n]

  例：

  I wasn't too keen on physics and chemistry.

  我对物理和化学并不太热衷。

• 10.  

  ADJ（形容词） You use keen to indicate that someone has a lot of enthusiasm for a particular activity and spends a lot of time doing it. 着迷的

  例：

  She was a keen amateur photographer.

  她是一个痴迷的业余摄影师。

• 11.  

  ADJ（形容词） 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. 激烈的 [英国英语]
• 12.  

  ADV（副词） keenly 激烈地

  例：

  The contest should be very keenly fought.

  比赛应该争夺很激烈。

• 13.  

  V（动词） to lament the dead 哀悼