1. the quality or state of being correct or precise
正確或精確的品質或狀態
The accuracy of the weather forecast was impressive.
天氣預報的準確度令人印象深刻。
We need to check the accuracy of these figures before the meeting.
我們需要在會議前核實這些數字的準確性。
Accuracy Meaning（定義、用法、例句與發音）
accuracy
noun
快速理解
What does "Accuracy" mean?What are 2-3 core uses of "Accuracy"?
指資訊、測量或表現與事實或標準的符合程度。
- 1
資訊正確性
EN: The quality of being correct or true, especially of information.
翻譯: 資訊正確無誤的品質。
- 2
測量精確度
EN: The degree to which a measurement, calculation, or result is free from error.
翻譯: 測量、計算或結果與真實值接近、沒有誤差的程度。
- 3
執行準確性
EN: The ability to perform a task or action without mistakes, often in skills like shooting or speaking.
翻譯: 執行任務或動作時不出錯的能力，常見於射擊、發言等技能。
小提醒：注意「accuracy」強調「與事實或標準相符的正確性」，而「precision」則強調「重複操作時結果的一致性」，兩者在科學與工程領域有重要區別。
發音（How to Pronounce "Accuracy" in English）
How to pronounce "Accuracy" in English?"Accuracy" US vs UK pronunciation
點擊下方的 US / UK 按鈕可播放發音。
Real-life Examples of "Accuracy" from YouTube Videos
Why are these 32 symbols found in caves all over Europe | Genevieve von Petzinger | TED
TED
“This is the level of accuracy I knew I was going to need if I wanted to start answering those larger questions.”
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Definitions（定義）
What are the definitions of "Accuracy"?How does "Accuracy" change by context?
2. the degree to which the result of a measurement, calculation, or specification conforms to the correct value or a standard
測量、計算或規格的結果與正確值或標準的符合程度
The new scale boasts an accuracy of 99.9%.
這台新秤號稱有99.9%的準確度。
Scientists are working to improve the accuracy of the diagnostic test.
科學家們正致力於提高診斷測試的準確性。
3. the ability to perform a task or hit a target without error
無誤地完成任務或擊中目標的能力
The archer's accuracy won him the championship.
那位射箭選手的準確度為他贏得了冠軍。
Her typing speed and accuracy are both excellent.
她的打字速度和準確度都非常出色。
4. faithful representation of the truth or facts
對真相或事實的真實呈現
Historical accuracy is crucial for this documentary.
歷史真實性對這部紀錄片至關重要。
The journalist was praised for the accuracy of her reporting.
這位記者因其報導的真實性而受到讚揚。
Grammar & Patterns（句型）
What are common sentence patterns for "Accuracy"?How to make natural sentences with "Accuracy"?
| Pattern | Meaning | Example |
|---|---|---|
| accuracy + of + noun phrase | ...的準確性 | The accuracy of the weather forecast was impressive. (天氣預報的準確性令人印象深刻。) |
| with + accuracy | 準確地 | The sniper hit the target with pinpoint accuracy. (狙擊手以極高的準確度擊中目標。) |
| to + verb + with + accuracy | 準確地做某事 | It is difficult to predict the outcome with complete accuracy. (要完全準確地預測結果是很困難的。) |
| accuracy + in + noun/gerund | 在...方面的準確性 | Her accuracy in translating technical documents is well-known. (她在翻譯技術文件方面的準確性是眾所周知的。) |
| improve/increase + (the) accuracy | 提高準確性 | The new software aims to improve the accuracy of the data analysis. (新軟體旨在提高數據分析的準確性。) |
| check/verify + the accuracy | 檢查/驗證準確性 | We must verify the accuracy of these financial reports. (我們必須驗證這些財務報告的準確性。) |
用法說明
How is "Accuracy" different from similar structures?What usage mistakes are common with "Accuracy"?
accuracy of vs accuracy in
- 描述某事物「本身的」精確度時，常用 accuracy of，後接被衡量的名詞。
- 描述「在」某個特定領域、方面或行為上的精確度時，常用 accuracy in，後接領域名稱或動名詞 (V-ing)。
- 在技術或統計語境中，accuracy of 用於指測量工具或結果的固有屬性；accuracy in 則強調在執行過程或應用中的表現。 EN: The accuracy of the new thermometer is impressive. 翻譯: 這支新溫度計的精確度令人印象深刻。
EN:His accuracy in predicting market trends is well-known.
翻譯:他在預測市場趨勢方面的準確性是出了名的。
總結建議
一般來說，描述「某物的精確度」用 accuracy of，描述「在某方面的準確性」則用 accuracy in。
易混淆對比
What is the difference between "Accuracy" and similar words?How to choose "Accuracy" vs alternatives?
accuracy vs precision
「accuracy」強調結果與真實或目標的接近程度，而「precision」強調結果之間的一致性與可重複性，不必然代表正確。
accuracy vs correctness
「accuracy」常用於描述數據、測量或描述的品質，而「correctness」更廣泛地用於描述答案、行為或方法的對錯。
accuracy vs exactness
「accuracy」著重於整體上無錯誤或偏差，而「exactness」強調在細節上完全吻合、分毫不差。
口語用法
How is "Accuracy" used in spoken English?What is the spoken vs formal difference for "Accuracy"?
引述
在對話中，當引述或轉述他人對某事物精確度的評價時，常會用到這個字。 EN: He kept stressing the accuracy of the data during the meeting. 翻譯: 他在會議中不斷強調數據的 準確性。
EN:I can't vouch for the accuracy of that story; I heard it from someone else.
翻譯:我無法保證那個故事的 真實性；我是從別人那裡聽來的。
語氣強調
用來強調對「精確無誤」的高度重視或要求，語氣通常較為認真。 EN: Pay attention to detail—accuracy is crucial here. 翻譯: 注意細節—準確度在這裡至關重要。
EN:We need 100% accuracy on these figures, no guesses.
翻譯:我們需要這些數字達到百分之百的 準確，不能靠猜測。
停頓填充
在思考如何精確表達時，有時會用這個字作為短暫的停頓或填充，帶有斟酌的意味。 EN: The report is good, but in terms of... accuracy, there might be a few points to double-check. 翻譯: 這份報告不錯，但就… 準確性 而言，可能有幾點需要再確認。
EN:It's not about speed, it's more about... hmm, accuracy.
翻譯:這不是速度的問題，更重要的是…嗯，精確度。
正式寫作注意：在正式或學術寫作中，應避免將 "accuracy" 用於停頓填充等口語結構，以保持文體的嚴謹與流暢。
常見短語
What common collocations use "Accuracy"?What fixed phrases with "Accuracy" should I remember?
with accuracy
preposition + accuracy
準確地，精確地
accuracy of something
accuracy + of + noun phrase
某事物的準確性
high accuracy
adjective + accuracy
高準確度
improve the accuracy
verb + accuracy
提高準確性
accuracy and precision
accuracy + and + related noun
準確度與精密度
check for accuracy
verb + for + accuracy
檢查準確性
degree of accuracy
noun + of + accuracy
準確的程度
常見錯誤
What are common mistakes with "Accuracy"?Which "Accuracy" sentences look correct but are wrong?
×The accuracy of the data are high.
✓The accuracy of the data is high.
"accuracy" 是不可數名詞，作主詞時動詞必須用單數形式。
×We need to improve the accuracies of our measurements.
✓We need to improve the accuracy of our measurements.
"accuracy" 通常作為不可數名詞使用，表示「準確性」這個抽象概念，一般沒有複數形 "accuracies"。
×He checked the report for accurate.
✓He checked the report for accuracy.
介系詞 "for" 後面應接名詞 "accuracy"，而非形容詞 "accurate"。
×This tool has a good accuracy.
✓This tool has good accuracy. / This tool is accurate.
"accuracy" 是不可數名詞，前面通常不加 "a"。可以改用 "good accuracy" 或直接用形容詞 "accurate" 描述。
×The machine's accuracy is very precise.
✓The machine is very accurate. / The machine's accuracy is very high.
"accuracy"（準確性）本身已包含「精確」的概念，與 "precise"（精密的）語意重複。應改用 "high" 形容其程度，或直接用 "accurate" 描述機器。
×I doubt on the accuracy of this information.
✓I doubt the accuracy of this information.
動詞 "doubt" 為及物動詞，後面直接接受詞，不需加介系詞 "on"。
詞形變化
What are the word forms of "Accuracy"?What are tense/participle forms of "Accuracy"?