acute
adjective uk/əˈkjuːt/ us/əˈkjuːt/
(EXTREME)
十分严重的
If a bad situation is acute, it causes severe problems or damage.
She felt acute embarrassment/anxiety/concern at his behaviour. 她对他的行为感到极其尴尬／忧虑／担忧。
The problem of poverty is particularly acute in rural areas. 贫困问题在农村地区尤为严重。
（病痛）急性的；剧烈的
An acute pain or illness is one that quickly becomes very severe.
acute abdominal pains 剧烈腹痛
an acute attack of appendicitis 阑尾炎急性发作
Compare: chronic (LONG-LASTING)
(ACCURATE/CLEVER)
（感官等）敏锐的，灵敏的;机敏的，有洞察力的
used to describe intelligence, senses, etc. that are very good, accurate, and able to notice very small differences
acute eyesight/hearing 敏锐的视觉／听觉
an acute sense of smell 灵敏的嗅觉
a woman of acute intelligence/judgment 机敏聪颖／有敏锐判断力的女性
(ANGLE)
锐角的
An acute angle is less than 90 degrees.
Compare: obtuse (ANGLE) reflex
acute
noun [ C ] uk/əˈkjuːt/ us/əˈkjuːt/ (also acute accent)
尖音符号
a sign that is written above a letter in some languages, showing you how to pronounce the letter
There's an acute accent on the e in "café". Café这个词中字母e上面有个尖音符号。