Question

keen adj.敏锐的；强烈的；锋利的；热衷的；精明的 (1) 盲人有敏锐的触觉。(2) 他们锐利的眼睛能透过水面看到40 英尺的深处。(3) 勇敢点,受到阻隔的爱情会更强烈。(4) 这把剃刀有锋利的口。(5) 他非常精明, 但他的年轻却是个不利的因素。 The adjective keen comes from the Old English word cene that translates to "bold and brave" and while the spelling is now really different, the sounds are similar. Variations of keen as being "bold" and "strong" show up in other languages like Old Norse, German, Dutch, but apparently only English has the meaning of "sharp" — relating to "an edge or blade." Keen has a lot of close — and brutal — synonyms, such as caustic, cutting, piercing, and penetrating!

Accepted Answer

英 [kiːn] 美 [kiːn] (1) The blind have a keen sense of touch.(2) Their keen eyes can penetrate the water to a depth of forty feet.(3) Be brave, a fence between makes love more keen.(4) The razor has a very keen edge.(5) He's keen, but his youth is a minus factor. If you have a keen interest in something, you are really, really into it. Keen is an adjective that describes something that is intense and focused. 1[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]渴望的；热切的；热衷的 If you are keen on doing something, you very much want to do it. If you are keen that something should happen, you very much want it to happen.   [v-link ADJ]  [mainly BRIT 主英]You're not keen on going, are you?...你不太想去，是吗？Both companies were keen on a merger...两家公司都很想合并。I'm very keen that the European Union should be as open as possible to trade from Russia...我热切地希望欧盟尽可能开放与俄罗斯的贸易。She's still keen to keep in touch...她仍旧很愿意保持联系。I am not keen for her to have a bicycle.我不太放心她有辆自行车。keenness...Doyle's keenness to please.多伊尔想取悦他人的热切心情...a keenness for the idea of a co-ordinated approach to development.想要协调一致搞发展的强烈愿望2[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（对…）喜爱的，满怀热情的 If you are keen on something, you like it a lot and are very enthusiastic about it.   [v-link ADJ on n]  [mainly BRIT 主英]I got quite keen on the idea...我对这个想法燃起了极大的热情。I wasn't too keen on physics and chemistry.我对物理和化学不是太感喜爱。keenness...his keenness for the arts.他对艺术的喜爱3[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](对某一活动)热情的，热心的 You use keen to indicate that someone has a lot of enthusiasm for a particular activity and spends a lot of time doing it.   [ADJ n]She was a keen amateur photographer.她是业余摄影爱好者。4[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](人)生性热情的，兴趣广博的 If you describe someone as keen, you mean that they have an enthusiastic nature and are interested in everything that they do. He's a very keen student and works very hard...他是个很好学的学生，学习非常努力。You're all very keen.你们都很热心。keenness...the keenness of the students.学生的好学5[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（兴趣或感情）浓厚的，强烈的 A keen interest or emotion is one that is very intense.   [usu ADJ n]He had retained a keen interest in the progress of the work.他对那项工作的进展一直很关心。...his keen sense of loyalty.他强烈的忠诚感keenlyShe remained keenly interested in international affairs...她仍旧对国际事务很感兴趣。This is a keenly awaited project.这是一个让人热切期待的项目。6[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（支持）热情的，积极的 If you are a keen supporter of a cause, movement, or idea, you support it enthusiastically.   [ADJ n]He's been a keen supporter of the Labour Party all his life...他一生都是工党的热情拥护者。He is a keen advocate of park-and-ride schemes.他是“停车再换乘”计划的热情拥护者。7[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]思维敏捷的；机灵的；机智的 If you say that someone has a keen mind, you mean that they are very clever and aware of what is happening around them.   [ADJ n]They described him as a man of keen intellect...他们把他描述成一个才思敏捷的人。Mr Walsh has a keen appreciation of the priorities of the electorate...沃尔什先生深刻理解选民最为关注的事项。I can see you have a keen sense of humour.我能看出你极具幽默感。keenlyThey're keenly aware that whatever they decide will set a precedent.他们深知无论他们的决定是什么，都将开创先例。8[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（目光或听觉）灵敏的，敏锐的 If you have a keen eye or ear, you are able to notice things that are difficult to detect.   [usu ADJ n]...an amateur artist with a keen eye for detail...对细节非常敏感的业余画家Brand's keen ear caught the trace of an accent.布兰德敏锐的耳朵听出了口音。keenlyCharles listened keenly.查尔斯竖着耳朵听着。...his keenly observed portrait.他栩栩如生的肖像9[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（对某人）倾心的，迷恋的 If you are keen on someone, you find them sexually attractive and want to get to know them better.   [v-link ADJ on n]  [BRIT 英]  [INFORMAL 非正式]Mick has always been very keen on Carla.米克一直迷恋卡拉。10[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（战斗或竞争）激烈的，紧张的 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. There is expected to be a keen fight in the local elections.预计地方选举的竞争会非常激烈。keenlyThe contest should be very keenly fought.比赛将会争夺得非常激烈。11[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（价格）低廉的，有竞争力的 Keen prices are low and competitive.   [mainly BRIT 主英]The company negotiates very keen prices with their suppliers.该公司通过讨价还价从供货商那里拿到了很低的价格。keenlyThe shops also offer a keenly priced curtain-making service.这些商店也提供价格优惠的窗帘制作服务。12[VERB 动词]（为死者）恸哭，哀号 If someone keens, they cry out or make sounds to express their sorrow at someone's death.   [V]  [V-ing]  [LITERARY 文]He tossed back his head and keened...他仰天恸哭起来。Someone was making a low, keening noise.有人正在低声哀泣。13[PHRASE 短语]对…十分热衷；对…非常热情 If you say that someone is mad keen on something, you are emphasizing that they are very enthusiastic about it.   [v-link PHR]  [emphasis]  [BRIT 英]  [INFORMAL 非正式]So you're not mad keen on science then?...那么你对科学并不是太感兴趣了？She was mad keen to go.她非常想去。...a mad keen golfer.高尔夫发烧友

英语单词	keen
英美音标	英 [kiːn] 美 [kiːn]
中文释义	adj.敏锐的；强烈的；锋利的；热衷的；精明的
英语例句	(1) The blind have a keen sense of touch. (2) Their keen eyes can penetrate the water to a depth of forty feet. (3) Be brave, a fence between makes love more keen. (4) The razor has a very keen edge. (5) He's keen, but his youth is a minus factor.
中文例句	(1) 盲人有敏锐的触觉。 (2) 他们锐利的眼睛能透过水面看到40 英尺的深处。 (3) 勇敢点,受到阻隔的爱情会更强烈。 (4) 这把剃刀有锋利的口。 (5) 他非常精明, 但他的年轻却是个不利的因素。
vocabulary简明	If you have a keen interest in something, you are really, really into it. Keen is an adjective that describes something that is intense and focused.
vocabulary扩展	The adjective keen comes from the Old English word cene that translates to "bold and brave" and while the spelling is now really different, the sounds are similar. Variations of keen as being "bold" and "strong" show up in other languages like Old Norse, German, Dutch, but apparently only English has the meaning of "sharp" — relating to "an edge or blade." Keen has a lot of close — and brutal — synonyms, such as caustic, cutting, piercing, and penetrating!
柯林斯解释	1 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]渴望的；热切的；热衷的 If you are keen on doing something, you very much want to do it. If you are keen that something should happen, you very much want it to happen. [v-link ADJ] [mainly BRIT 主英] You're not keen on going, are you?... 你不太想去，是吗？ Both companies were keen on a merger... 两家公司都很想合并。 I'm very keen that the European Union should be as open as possible to trade from Russia... 我热切地希望欧盟尽可能开放与俄罗斯的贸易。 She's still keen to keep in touch... 她仍旧很愿意保持联系。 I am not keen for her to have a bicycle. 我不太放心她有辆自行车。 keenness ...Doyle's keenness to please. 多伊尔想取悦他人的热切心情 ...a keenness for the idea of a co-ordinated approach to development. 想要协调一致搞发展的强烈愿望 2 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（对…）喜爱的，满怀热情的 If you are keen on something, you like it a lot and are very enthusiastic about it. [v-link ADJ on n] [mainly BRIT 主英] I got quite keen on the idea... 我对这个想法燃起了极大的热情。 I wasn't too keen on physics and chemistry. 我对物理和化学不是太感喜爱。 keenness ...his keenness for the arts. 他对艺术的喜爱 3 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](对某一活动)热情的，热心的 You use keen to indicate that someone has a lot of enthusiasm for a particular activity and spends a lot of time doing it. [ADJ n] She was a keen amateur photographer. 她是业余摄影爱好者。 4 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词](人)生性热情的，兴趣广博的 If you describe someone as keen, you mean that they have an enthusiastic nature and are interested in everything that they do. He's a very keen student and works very hard... 他是个很好学的学生，学习非常努力。 You're all very keen. 你们都很热心。 keenness ...the keenness of the students. 学生的好学 5 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（兴趣或感情）浓厚的，强烈的 A keen interest or emotion is one that is very intense. [usu ADJ n] He had retained a keen interest in the progress of the work. 他对那项工作的进展一直很关心。 ...his keen sense of loyalty. 他强烈的忠诚感 keenly She remained keenly interested in international affairs... 她仍旧对国际事务很感兴趣。 This is a keenly awaited project. 这是一个让人热切期待的项目。 6 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（支持）热情的，积极的 If you are a keen supporter of a cause, movement, or idea, you support it enthusiastically. [ADJ n] He's been a keen supporter of the Labour Party all his life... 他一生都是工党的热情拥护者。 He is a keen advocate of park-and-ride schemes. 他是“停车再换乘”计划的热情拥护者。 7 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]思维敏捷的；机灵的；机智的 If you say that someone has a keen mind, you mean that they are very clever and aware of what is happening around them. [ADJ n] They described him as a man of keen intellect... 他们把他描述成一个才思敏捷的人。 Mr Walsh has a keen appreciation of the priorities of the electorate... 沃尔什先生深刻理解选民最为关注的事项。 I can see you have a keen sense of humour. 我能看出你极具幽默感。 keenly They're keenly aware that whatever they decide will set a precedent. 他们深知无论他们的决定是什么，都将开创先例。 8 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（目光或听觉）灵敏的，敏锐的 If you have a keen eye or ear, you are able to notice things that are difficult to detect. [usu ADJ n] ...an amateur artist with a keen eye for detail... 对细节非常敏感的业余画家 Brand's keen ear caught the trace of an accent. 布兰德敏锐的耳朵听出了口音。 keenly Charles listened keenly. 查尔斯竖着耳朵听着。 ...his keenly observed portrait. 他栩栩如生的肖像 9 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（对某人）倾心的，迷恋的 If you are keen on someone, you find them sexually attractive and want to get to know them better. [v-link ADJ on n] [BRIT 英] [INFORMAL 非正式] Mick has always been very keen on Carla. 米克一直迷恋卡拉。 10 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（战斗或竞争）激烈的，紧张的 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. There is expected to be a keen fight in the local elections. 预计地方选举的竞争会非常激烈。 keenly The contest should be very keenly fought. 比赛将会争夺得非常激烈。 11 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]（价格）低廉的，有竞争力的 Keen prices are low and competitive. [mainly BRIT 主英] The company negotiates very keen prices with their suppliers. 该公司通过讨价还价从供货商那里拿到了很低的价格。 keenly The shops also offer a keenly priced curtain-making service. 这些商店也提供价格优惠的窗帘制作服务。 12 [VERB 动词]（为死者）恸哭，哀号 If someone keens, they cry out or make sounds to express their sorrow at someone's death. [V] [V-ing] [LITERARY 文] He tossed back his head and keened... 他仰天恸哭起来。 Someone was making a low, keening noise. 有人正在低声哀泣。 13 [PHRASE 短语]对…十分热衷；对…非常热情 If you say that someone is mad keen on something, you are emphasizing that they are very enthusiastic about it. [v-link PHR] [emphasis] [BRIT 英] [INFORMAL 非正式] So you're not mad keen on science then?... 那么你对科学并不是太感兴趣了？ She was mad keen to go. 她非常想去。 ...a mad keen golfer. 高尔夫发烧友

Keen Adj Graded 能被表示程度的副词或介词词组修饰的形容词 N Ly Keenly Lot [V Link