acute

adj.

1. 十分严重的
   very serious or severe
   1. There is an acute shortage of water.
      水严重短缺。
   2. acute pain
      剧痛
   3. the world's acute environmental problems
      全球十分严重的环境问题
   4. Competition for jobs is acute.
      求职竞争非常激烈。
2. （疾病）急性的
   an acute illness is one that has quickly become severe and dangerous
   1. acute appendicitis
      急性阑尾炎
3. 灵敏的
   very sensitive and well developed
   1. Dogs have an acute sense of smell.
      狗的嗅觉灵敏。
4. 敏锐的；有洞察力的
   intelligent and quick to notice and understand things
   1. He is an acute observer of the social scene.
      他是个敏锐的社会现状观察者。
   2. Her judgement is acute.
      她的判断敏锐。
5. 锐角的
   less than 90˚

1. ADJ-GRADED （情况）严重的；（感觉）强烈的
   You can use acute to indicate that an undesirable situation or feeling is very severe or intense.
   1. The war has aggravated an acute economic crisis...
      战争加剧了原本已很严重的经济危机。
   2. The report has caused acute embarrassment to the government...
      报告将政府置于窘境。
   3. The labour shortage is becoming acute.
      劳动力匮乏愈演愈烈。
2. ADJ 急性的
   An acute illness is one that becomes severe very quickly but does not last very long.
   1. ...a patient with acute rheumatoid arthritis.
      患急性风湿性关节炎的病人
   2. ...an acute case of dysentery.
      急性痢疾病例
3. ADJ-GRADED （感官）灵敏的
   If a person's or animal's sight, hearing, or sense of smell is acute, it is sensitive and powerful.
   1. In the dark my sense of hearing becomes so acute.
      黑暗中我的听觉变得异常灵敏。
4. ADJ-GRADED 敏锐的；有洞察力的
   If you say that someone is acute or has an acute mind, you mean that they are quick to notice things and are able to understand them clearly.
   1. Into her nineties, her thinking remained acute and her character forceful...
      虽已年届九旬，她依然头脑敏锐，个性很强。
   2. His relaxed exterior hides an extremely acute mind.
      他表面上大大咧咧，内心却无比敏锐。
5. 锐角的
   An acute angle is less than 90°.
6. （标在元音等上面的符号）尖音的，重音的
   An acute accent is a symbol that is placed over vowels in some languages in order to indicate how that vowel is pronounced or over one letter in a word to indicate where it is stressed. You refer to a letter with this accent as, for example, e acute. For example, there is an acute accent over the letter 'e' in the French word 'café'.

1. The war has aggravated an acute economic crisis
   战争加剧了原本已很严重的经济危机。
2. The report has caused acute embarrassment to the government
   报告将政府置于窘境。
3. The labour shortage is becoming acute.
   劳动力匮乏愈演愈烈。
4. In the dark my sense of hearing becomes so acute.
   黑暗中我的听觉变得异常灵敏。
5. Into her nineties, her thinking remained acute and her character forceful
   虽已年届九旬，她依然头脑敏锐，个性很强。
6. His relaxed exterior hides an extremely acute mind.
   他表面上大大咧咧，内心却无比敏锐。
7. He is recovering in hospital after an operation for acute appendicitis.
   做完急性阑尾炎手术后，他正在医院康复。
8. Punishment can never be an effective cure for acute social problems
   惩罚绝不是解决严重社会问题的有效办法。
9. A patient going through acute detox will have an assigned nurse nearby.
   接受急性脱瘾治疗的病人身边会有一名指派的护士看护。
10. Exorbitant housing prices have created an acute shortage of affordable housing for the poor.
    过高的房价已经造成了穷人能够买得起的住房严重短缺。
11. I was laid up in bed with acute rheumatism
    我染上了急性风湿，卧病在床。
12. Patients were dying because of an acute shortage of nurses.
    因为护理人员严重不足，患者生命垂危。
13. He collapsed from acute renal failure
    他的身体因为严重的肾衰竭而垮掉了。
14. I was suffering from acute sunstroke, starvation and exhaustion.
    我严重中暑，又饿又累。
15. The contradictions are becoming increasingly acute.
    矛盾日益尖锐。
16. She died from acute pneumonia.
    她死于急性肺炎。
17. The struggle became more acute.
    斗争进一步激化。
18. A bad tooth can cause acute pain.
    一颗蛀牙可以引起激烈的疼痛。
19. Dogs have an acute sense of smell.
    狗的嗅觉很灵敏。
20. Then the pain became even more acute.
    痛乃逾甚。
21. There's an acute shortage of rain.
    这里严重缺雨。
22. War is the most acute form of expression of violence.
    战争是暴力所表现的最剧烈形式。
23. Putrid smelling breath – even if the teeth look perfect – can be a sign of acute necrotising periodontitis.
    即使牙齿看上去很完美，呼出腐臭的气味也可能是急性坏死性牙周炎的迹象。
24. The publication comes as the answer to an acute demand.
    这一出版物是为满足急需而出版的。
25. He suffers from acute depression.
    他患有严重的忧郁症。
26. There's an acute accent on the first "e".
    在第一个e上标有一个尖音符。
27. The cry of a bat is too acute for the human ear to hear.
    蝙蝠的叫声非常尖细，人类的耳朵听不见。
28. The rivalry between the two countries is becoming increasingly acute.
    两国之间的争夺愈演愈烈。
29. They think his illness is acute rather than chronic.
    他们认为他的病是急性的，不是慢性的。

  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。

noun

1. a mark (') placed above a vowel to indicate pronunciation

   Synonym:    acute accentague

adj

1. having or experiencing a rapid onset and short but severe course
   1. acute appendicitis
   2. the acute phase of the illness
   3. acute patients

2. of critical importance and consequence
   1. an acute (or critical) lack of research funds

3. extremely sharp or intense
   1. acute pain
   2. felt acute annoyance
   3. intense itching and burning

   Synonym:    intense

4. 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:    discriminatingincisivekeenknifelikepenetratingpenetrativepiercingsharp

5. ending in a sharp point

   Synonym:    acuatesharpneedlelike

6. of an angle