sharp

adj.

锋；尖 edge/point

1. 锋利的；锐利的；尖的
   having a fine edge or point, especially of sth that can cut or make a hole in sth
   1. a sharp knife
      锋利的刀
   2. sharp teeth
      锋利的牙齿

升；降；变化 rise/drop/change

2. 急剧的，骤然的（变化）
   sudden and rapid, especially of a change in sth
   1. a sharp drop in prices
      价格的骤降
   2. a sharp rise in crime
      犯罪率的急剧上升
   3. a sharp increase in unemployment
      失业人数的剧增
   4. He heard a sharp intake of breath .
      他听到猛地倒吸一口气的声音。
   5. We need to give young criminals a short, sharp shock (= a punishment that is very unpleasant for a short time) .
      对青少年罪犯我们需要给以短暂但严厉的惩处。

清楚；明确 clear/definite

3. 清楚明确的；清晰的；鲜明的
   clear and definite
   1. a sharp outline
      清晰的轮廓
   2. The photograph is not very sharp (= there are no clear contrasts between areas of light and shade) .
      这张照片不是很清晰。
   3. She drew a sharp distinction between domestic and international politics.
      她将国内政治和国际政治截然分开。
   4. In sharp contrast to her mood, the clouds were breaking up to reveal a blue sky.
      乌云渐渐散开，露出了蓝天，这和她的情绪形成了鲜明的对照。
   5. The issue must be brought into sharper focus.
      必须使这个问题成为焦点。

头脑；眼睛 mind/eyes

4. 敏锐的；灵敏的；敏捷的
   quick to notice or understand things or to react
   1. to have sharp eyes
      有敏锐的眼睛
   2. a girl of sharp intelligence
      聪颖的女孩
   3. a sharp sense of humour
      很强的幽默感
   4. He kept a sharp lookout for any strangers.
      他警惕地守望着，不放过任何一个陌生人。
   5. It was very sharp of you to see that!
      你能看到这一点，很有洞察力！

批评性 critical

5. 尖锐的；严厉的
   critical or severe
   1. sharp criticism
      尖锐的批评
   2. Emma has a sharp tongue (= she often speaks in an unpleasant or unkind way) .
      埃玛说话尖刻。
   3. He was very sharp with me when I was late.
      我迟到了，让他狠狠训了一通。

声音 sounds

6. 突然而响亮的
   loud, sudden and often high in tone
   1. She read out the list in sharp, clipped tones.
      她清脆快速地宣读了名单。
   2. There was a sharp knock on the door.
      敲门声大作。

感觉 feeling

7. （常指受伤似地）剧烈的，猛烈的
   very strong and sudden, often like being cut or wounded
   1. He winced as a sharp pain shot through his leg.
      腿上一阵剧痛，疼得他龇牙咧嘴。
   2. Polly felt a sharp pang of jealousy.
      波利感到一阵强烈的嫉妒。

弯儿 curves

8. 急转的
   changing direction suddenly
   1. a sharp bend in the road
      公路上的急转弯
   2. a sharp turn to the left
      向左的急转

味道；气味 flavour/smell

9. 强烈略苦的；辛辣的；刺鼻的
   strong and slightly bitter
   1. The cheese has a distinctively sharp taste.
      这奶酪味道很冲。

霜；风 frost/wind

10. 严寒的；凛冽的
    used to describe a very cold or very severe frost or wind

狡诈 clever and dishonest

11. 狡猾的；诡诈的
    clever but possibly dishonest
    1. His lawyer's a sharp operator .
       他的律师是个老狐狸。
    2. The firm had to face some sharp practice from competing companies.
       公司不得不面对竞争对手们的小动作。

衣服 clothes

12. 时髦的；入时的
    fashionable and new
    1. The consultants were a group of men in sharp suits .
       顾问都是些衣着入时的男人。
    2. Todd is a sharp dresser .
       托德衣着时髦。

脸；相貌 face/features

13. 瘦削的；不丰满的
    not full or round in shape
    1. a man with a thin face and sharp features (= a pointed nose and chin)
       脸瘦而棱角分明的男人

音乐 in music

14. （用于音符后，表示该音符）升半音的
    used after the name of a note to mean a note a semitone/half tone higher
    1. the Piano Sonata in C sharp minor
       升C小调钢琴奏鸣曲
15. 偏高音的
    above the correct pitch (= how high or low a note sounds)
    1. That note sounded sharp.
       这个音听着偏高。

adv.

准确地 exactly

1. （用于表时间的词语后，表示准时）…整
   used after an expression for a time of day to mean ‘exactly’
   1. Please be here at seven o'clock sharp.
      请七点整到这里。

左；右 left/right

2. 向左 / 向右急转
   turning suddenly to the left or right

音乐 music

3. 偏高音地
   above the correct pitch (= how high or low a note sounds)

noun

1. 升半音
   a note played a semitone/half tone higher than the note that is named. The written symbol is (♯)
   1. It's a difficult piece to play, full of sharps and flats.
      这支乐曲不好演奏，到处是升半音、降半音。
2. 锐利的东西（如针、注射器等）
   things with a sharp edge or point, such as needles, and syringes
   1. the safe disposal of sharps
      对有利刃或尖刺的东西的安全处置

1. ADJ-GRADED 锋利的;锐利的
   A sharp point or edge is very thin and can cut through things very easily. A sharp knife, tool, or other object has a point or edge of this kind.
   1. The other end of the twig is sharpened into a sharp point to use as a toothpick...
      细枝的另一端被削尖用作牙签。
   2. Using a sharp knife, cut away the pith and peel from both fruits...
      用一把锋利的刀削去两种水果的外皮和中果皮。
   3. The ground was strewn with sharp-edged pebbles.
      地上铺满了棱角锋利的石子。
2. ADJ-GRADED 尖的;有尖角的
   You can describe a shape or an object as sharp if part of it or one end of it comes to a point or forms an angle.
   1. His nose was thin and sharp.
      他的鼻子又细又尖。
   2. ...black sharp-toed cowboy boots.
      黑色尖头牛仔靴
3. ADJ-GRADED 突然转向的;急转弯的
   A sharp bend or turn is one that changes direction suddenly.
   1. I was approaching a fairly sharp bend that swept downhill to the left.
      我正驶向下坡路上一个突然向左的急转弯。
   2. Sharp is also an adverb.
      
   3. Do not cross the bridge but turn sharp left to go down on to the towpath.
      不要过桥，向左急转弯开到坡下的纤道上去。
4. ADJ-GRADED (人)敏锐的，灵敏的，敏捷的，机灵的
   If you describe someone as sharp, you are praising them because they are quick to notice, hear, understand, or react to things.
   1. He is very sharp, a quick thinker and swift with repartee...
      他非常机敏，反应很快，并且能说会道。
   2. Gates is known to be a superb analyst with a sharp eye and an excellent memory.
      盖茨是公认的杰出分析家，他目光敏锐且记忆力超群。
5. ADJ-GRADED (言辞)激烈的，尖锐的，尖刻的，严厉的
   If someone says something in a sharp way, they say it suddenly and rather firmly or angrily, for example because they are warning or criticizing you.
   1. 'Don't contradict your mother,' was Charles's sharp reprimand...
      “不要和你妈妈顶嘴，”查尔斯严厉地斥责道。
   2. That ruling had drawn sharp criticism from civil rights groups.
      那项判决已遭到了民权组织的严厉批评。
6. ADJ-GRADED (变化、动作、感情等)急剧的，骤然的，大幅度的，强烈的
   A sharp change, movement, or feeling occurs suddenly, and is great in amount, force, or degree.
   1. There's been a sharp rise in the rate of inflation...
      通货膨胀率已大幅上升。
   2. Tennis requires a lot of short sharp movements...
      打网球需要做大量快速而剧烈的动作。
   3. He felt a sharp pain in the abductor muscle in his right thigh.
      他感到右大腿外展肌一阵剧痛。
7. ADJ-GRADED (差异)明显的，鲜明的;(图像、声音等)清晰的
   A sharp difference, image, or sound is very easy to see, hear, or distinguish.
   1. Many people make a sharp distinction between humans and other animals...
      很多人认为人类和其他动物截然不同。
   2. Her reticence was in sharp contrast to the glamour and star status of her predecessors...
      她的寡言少语和前任们的光鲜亮丽、明星范儿十足形成了鲜明的对比。
   3. All the footmarks are quite sharp and clear...
      所有的脚印都清晰可见。
   4. We heard a voice sing out in a clear, sharp tone.
      我们听到了一阵清脆嘹亮的歌声。
8. ADJ-GRADED (味道或气味)强烈的，苦的，冲的
   A sharp taste or smell is rather strong or bitter, but is often also clear and fresh.
   1. ...a colourless, almost odourless liquid with a sharp, sweetish taste...
      一种几乎无气味的无色液体,尝起来微甜，味道很冲
   2. In the hot sun the rain-washed herbs smelled sharp and spicy and sweet all at once.
      烈日下，被雨水冲刷过的香草闻起来既冲又香气扑鼻。
9. ADJ-GRADED (天气等)严寒的;(风)凛冽的
   A sharp wind, or sharp cold, is so strong or intense that it almost hurts you when you are exposed to it.
   1. The wind was not as sharp and cruel as it had been.
      风不像刚才那么凛冽和凶猛了。
10. ADJ-GRADED (衣服)整洁的，优雅的，时髦的
    Sharp clothes are neat, elegant, and fashionable.
    1. Now politics is all about the right haircut and a sharp suit...
       现在政界讲究的无非是合适的发型和时髦的衣着。
    2. A sharp dresser, Wyatt is never seen in casual clothes.
       怀亚特衣着入时，从未有人见过他穿便装。
11. ADV (…点)整;准时地
    Sharp is used after stating a particular time to show that something happens at exactly the time stated.
    1. She planned to unlock the store at 8.00 sharp this morning.
       她打算今天早上 8 点整准时开门营业。
12. N-COUNT (用于音符后)升半音的(常用＃符号表示)
    Sharp is used after a letter representing a musical note to show that the note should be played or sung half a tone higher. Sharp is often represented by the symbol #.
    1. A solitary viola plucks a lonely, soft F sharp.
       一把中提琴独自奏出了一个寂寞柔和的升F 调。
13. See also: razor-sharp
14. PHRASE (活动或工作中)最困难的部分，最危险的部分
    If you say that someone is at the sharp end of a particular activity or type of work, you mean that they are involved in the most difficult or dangerous aspects of it.
    1. Vincent French is a real estate broker at the sharp end of a tough and exacting business...
       文森特·弗伦奇在房地产这个艰难行业做了最吃苦受累的不动产经纪人。
    2. Working at the sharp end, many of us have noted an increase in the number of patients attending surgeries.
       从事一线工作，我们很多人已经注意到来做手术的病人越来越多。
15. short, sharp shock → see: shock

1. Suddenly I felt a sharp pain in my shoulder
   我突然感到肩膀上一阵剧痛。
2. Japan has announced plans for a sharp rise in its nuclear power generation.
   日本宣布了大幅增加核能发电的计划。
3. Her sharp, aggressive tone set in motion the events that led to her downfall.
   她那咄咄逼人的尖锐语调拉开了导致她垮台的事件的序幕。
4. The only way to purge the economy of this new burst of inflation is a short, sharp recession.
   要消除新爆发的这次通货膨胀，唯一的方法是让经济短期内急剧衰退。
5. Foreign nationals have begun leaving because of a sharp rise in violence.
   因为暴力活动的急剧增加，外国人已经开始离开这个国家。
6. The other end of the twig is sharpened into a sharp point to use as a toothpick
   细枝的另一端被削尖用作牙签。
7. Using a sharp knife, cut away the pith and peel from both fruits
   用一把锋利的刀削去两种水果的外皮和中果皮。
8. His nose was thin and sharp.
   他的鼻子又细又尖。
9. I was approaching a fairly sharp bend that swept downhill to the left.
   我正驶向下坡路上一个突然向左的急转弯。
10. He is very sharp, a quick thinker and swift with repartee
    他非常机敏，反应很快，并且能说会道。
11. Gates is known to be a superb analyst with a sharp eye and an excellent memory.
    盖茨是公认的杰出分析家，他目光敏锐且记忆力超群。
12. 'Don't contradict your mother,' was Charles's sharp reprimand
    “不要和你妈妈顶嘴，”查尔斯严厉地斥责道。
13. That ruling had drawn sharp criticism from civil rights groups.
    那项判决已遭到了民权组织的严厉批评。
14. There's been a sharp rise in the rate of inflation
    通货膨胀率已大幅上升。
15. Tennis requires a lot of short sharp movements
    打网球需要做大量快速而剧烈的动作。
16. He felt a sharp pain in the abductor muscle in his right thigh.
    他感到右大腿外展肌一阵剧痛。
17. Many people make a sharp distinction between humans and other animals
    很多人认为人类和其他动物截然不同。
18. Her reticence was in sharp contrast to the glamour and star status of her predecessors
    她的寡言少语和前任们的光鲜亮丽、明星范儿十足形成了鲜明的对比。
19. All the footmarks are quite sharp and clear
    所有的脚印都清晰可见。
20. We heard a voice sing out in a clear, sharp tone.
    我们听到了一阵清脆嘹亮的歌声。
21. In the hot sun the rain-washed herbs smelled sharp and spicy and sweet all at once.
    烈日下，被雨水冲刷过的香草闻起来既冲又香气扑鼻。
22. The wind was not as sharp and cruel as it had been.
    风不像刚才那么凛冽和凶猛了。
23. Now politics is all about the right haircut and a sharp suit
    现在政界讲究的无非是合适的发型和时髦的衣着。
24. A sharp dresser, Wyatt is never seen in casual clothes.
    怀亚特衣着入时，从未有人见过他穿便装。
25. She planned to unlock the store at 8.00 sharp this morning.
    她打算今天早上8点整准时开门营业。
26. A solitary viola plucks a lonely, soft F sharp.
    一把中提琴独自奏出了一个寂寞柔和的升F调。
27. Vincent French is a real estate broker at the sharp end of a tough and exacting business
    文森特·弗伦奇在房地产这个艰难行业做了最吃苦受累的不动产经纪人。
28. Working at the sharp end, many of us have noted an increase in the number of patients attending surgeries.
    从事一线工作，我们很多人已经注意到来做手术的病人越来越多。
29. There has been a sharp slowdown in economic growth.
    经济增长的速度明显放慢。
30. He's old but his mind is still sharp.
    他虽上了年纪，思维还很敏捷。

  acute keen sharp【导航词义：敏锐的】

  acute adj. 敏锐的，灵敏的

〔辨析〕用于描述人们的想法、感觉，通常指能够注意到被观察物体的细微差异的。

  keen adj. 敏锐的，灵敏的

〔辨析〕用于描述思想感情和感官，强调敏锐的、聪慧的。

  sharp adj. 敏锐的，灵敏的

〔辨析〕既可指头脑灵活的，又可指观察入微的。

adj.

look sharp

• 赶快；赶紧
  used in orders to tell sb to be quick or to hurry
  1. You'd better look sharp or you'll be late.
     你得快点，不然就迟到了。

not the sharpest knife in the drawer

not the sharpest tool in the box

• 不聪明；迟钝
  not intelligent
  1. He's not exactly the sharpest knife in the drawer, is he?
     他的脑子一点儿也不灵活，是不是？

the sharp end (of sth)

• 最为困难（或责任极其重大）的地方（或职位）
  the place or position of greatest difficulty or responsibility
  1. He started work at the sharp end of the business, as a salesman.
     他从这一行最为棘手的工作做起，当了推销员。

noun

1. a long thin sewing needle with a sharp point

2. a musical notation indicating one half step higher than the note named

adj

1. marked by practical hardheaded intelligence
   1. a smart businessman
   2. an astute tenant always reads the small print in a lease
   3. he was too shrewd to go along with them on a road that could lead only to their overthrow

   Synonym:    astuteshrewd

2. (of something seen or heard) clearly defined
   1. a sharp photographic image
   2. the sharp crack of a twig
   3. the crisp snap of dry leaves underfoot

   Synonym:    crisp

3. having or made by a thin edge or sharp point
   1. a sharp knife
   2. a pencil with a sharp point

4. keenly and painfully felt
   1. a sharp pain
   2. sharp winds

5. quick and forceful
   1. a sharp blow

6. very sudden and in great amount or degree
   1. a sharp drop in the stock market

7. extremely steep
   1. an abrupt canyon
   2. the precipitous rapids of the upper river
   3. the precipitous hills of Chinese paintings
   4. a sharp drop

   Synonym:    abruptprecipitous

8. having or emitting a high-pitched and sharp tone or tones
   1. a shrill whistle
   2. a shrill gaiety

   Synonym:    shrill

9. (of a musical note) raised in pitch by one chromatic semitone
   1. C sharp

10. having or demonstrating ability to recognize or draw fine distinctions
    1. an acute observer of politics and politicians
    2. incisive comments
    3. icy knifelike reasoning
    4. as sharp and incisive as the stroke of a fang
    5. penetrating insight
    6. frequent penetrative observations

    Synonym:    acutediscriminatingincisivekeenknifelikepenetratingpenetrativepiercing

11. harsh
    1. sharp criticism
    2. a sharp-worded exchange
    3. a tart remark

    Synonym:    sharp-wordedtart

12. ending in a sharp point

    Synonym:    acuateacuteneedlelike

adv

1. changing suddenly in direction and degree
   1. the road twists sharply after the light
   2. turn sharp left here
   3. the visor was acutely peaked
   4. her shoes had acutely pointed toes

   Synonym:    sharplyacutely