acuity
/əˈkjuːəti/ (bre, ipa) · /əˈkjuːəti/ (ame, ipa) · /ə-ˈkyü-ə-tē a-/ (ame, mw)
acuity — 名詞
1. the sharpness of a person's senses or mind — how precisely and clearly they can
敏銳度
感官或思維的精準感知力
the sharpness of a person's senses or mind — how precisely and clearly they can see, hear, or understand things.
After wearing his new glasses, Wei was surprised by the acuity of his vision.
Wei 戴上新眼鏡後，對自己視覺的敏銳度感到驚訝。
acuity of + sensory domain: vision
The audiologist tested Ananya's hearing acuity with a series of quiet tones.
聽力師用一系列輕柔的音調測試了 Ananya 的聽覺敏銳度。
hearing acuity — noun + sensory domain collocation
Kwame solved the puzzle in three minutes, showing impressive mental acuity.
Kwame 在三分鐘內解開了謎題，展現出驚人的心智敏銳度。
As people age, their visual acuity often decreases, making small print hard to read.
隨著年齡增長，視覺敏銳度往往會下降，使小字變得難以閱讀。
The hawk's remarkable visual acuity allows it to spot a mouse from high above.
老鷹卓越的視覺敏銳度讓牠能從高空察覺老鼠的蹤跡。
- keenness
more emotive and informal; keenness of senses can sound like eagerness rather than precision
- sharpness
broader in application, covering physical edges as well as mental qualities; less specialised than acuity
- perceptiveness
focuses on understanding and insight rather than sensory sharpness; often used for interpersonal awareness
- dullness
the opposite of mental acuity; suggests slow or sluggish thinking
- blurriness
the opposite of visual acuity; describes unclear or unfocused sight
文法句型
adjective + acuity
acuity of + noun
用法筆記
Frequently paired with adjectives such as 'visual', 'hearing', 'mental', or 'intellectual' to specify which domain of sharpness is meant.