hallucinations
hallucinations — 名詞
- hallucinationssingular
- hallucinationsesplural
1. a state in which a person perceives things through sight, hearing, smell, or tou
幻覺
沒有外在來源的感官經驗
a state in which a person perceives things through sight, hearing, smell, or touch that are not actually present — typically linked to illness, mental health conditions, or drugs, and the person experiencing it cannot separate what is real from what is imagined.
The patient started having visual hallucinations of colors that did not exist in the room.
那名病人開始出現視幻覺，看到房間裡有不存在的鮮豔色彩。
collocation: have + hallucinations
Nadia heard a voice whispering her name every night, though her apartment was completely empty.
Nadia 每晚都聽到一個聲音在低聲叫她的名字，儘管她的公寓裡空無一人。
auditory hallucination: hearing a voice with no real source
After the surgery, the woman experienced vivid hallucinations that lasted for two full days.
手術後，那名女性經歷了持續整整兩天的生動幻覺。
The nurse explained that fever-induced hallucinations usually stop once the body temperature returns to normal.
護理師解釋說，發燒引起的幻覺通常在體溫恢復正常後就會消失。
During a migraine, people may see hallucinations of flashing lights or strange patterns.
偏頭痛發作時，有些人會看見閃光或奇怪圖案。
- reality
things that actually exist and can be verified by others
文法句型
hallucination + of + noun phrase
have + hallucinations
suffer from + hallucinations
用法筆記
Often paired with adjectives specifying the sensory type: visual, auditory, olfactory, tactile. In medical writing, hallucinations are distinguished from illusions (misperceptions of real stimuli) and delusions (false beliefs).
常見錯誤
2. a specific imagined object, voice, or sensation that a person perceives during a
幻象
幻覺中具體出現的人事物
a specific imagined object, voice, or sensation that a person perceives during a hallucination — for example, hearing a particular voice calling their name or seeing a specific animal cross the floor, where the content of the unreal perception is the focus rather than the experience itself.
One of his hallucinations was a voice saying that people were watching his every move.
他的幻象之一是聽見有人說正在監視他的每個動作。
hallucination of + specific content (a voice)
The elderly man described hallucinations of small animals crawling across the kitchen floor.
那位老先生說他看見小動物在地板上爬，那是他的幻象之一。
Many patients report hallucinations of familiar places, like their childhood bedroom or neighborhood.
許多病患回報他們的幻象中有熟悉的地點，像是童年的臥室或舊社區。
Dr. Park asked Mei-Ling to draw the hallucinations she described so the team could examine the patterns.
Park 醫師請 Mei-Ling 把她描述的幻象畫下來，讓團隊可以分析其中的模式。
- percept
technical term in psychology for the object of perception
文法句型
hallucination of + noun phrase
describe + hallucinations
用法筆記
This sense treats hallucinations as countable individual items — each hallucination is a distinct perceptual event with specific content. Distinguish from sense 1 (the general phenomenon).
常見錯誤
3. a piece of incorrect or invented content that an artificial intelligence system
幻覺
AI系統憑空編造的錯誤回答
a piece of incorrect or invented content that an artificial intelligence system produces and presents as if it were a fact — the AI makes up details, names, or events that sound believable but are not true.
The chatbot produced hallucinations about historical events, inventing dates and people that never existed.
聊天機器人在被問及歷史事件時產生了幻覺，編造了從未存在過的日期和人物。
collocation: produce + hallucinations (AI context)
Yuki asked a chatbot about cold medicine dosage, and the AI hallucinated a drug that does not exist.
Yuki 問聊天機器人關於一般感冒藥的劑量，結果 AI 產生了幻覺，列出一種根本不存在的藥物。
specific object of AI hallucination: a non-existent drug
The programmer found several hallucinations in the language model's output before the software update.
程式設計師在軟體更新上線前，發現了語言模型輸出中的幾處幻覺。
Researchers found that users trusted the AI's hallucinations because the false statements sounded confident.
研究人員發現，使用者往往相信AI產生的幻覺，因為這些錯誤敘述聽起來很有自信。
- fabrication
emphasises that the AI made something up from scratch
- confabulation
used in AI research to describe plausible-sounding false statements
- fact
a true piece of information verified against reality
文法句型
AI + produce + hallucinations
hallucinations + in + [system/model]
用法筆記
Common in computing and AI research contexts. Unlike medical hallucinations (sense 1), AI hallucinations are not a sensory experience — they refer to incorrect text or data that an algorithm generates. Often used in the plural when discussing multiple instances of incorrect output.
常見錯誤
4. the broad systemic problem of artificial intelligence systems generating false i
幻覺問題
AI系統普遍編造資訊的缺陷
the broad systemic problem of artificial intelligence systems generating false information that appears factual — discussed as an ongoing technical challenge rather than referring to any single false output.
Diego's hospital paused plans to use an AI chatbot for reviewing patient records because of the risk of hallucinations.
Diego 任職的醫院暫停了用 AI 聊天機器人審查病歷的計畫，因為擔心幻覺問題。
uncountable: hallucinations as a systemic obstacle
The paper proposed a new method for detecting and reducing hallucinations in language models.
那篇論文提出了一種檢測並減少語言模型中幻覺問題的新方法。
Industry leaders agree that tackling hallucinations is essential before AI can serve customers safely.
業界領袖一致認為，在AI能安全地服務客戶之前，解決幻覺問題至關重要。
Hallucinations happen because AI systems learn to sound natural, not to be correct.
幻覺問題之所以發生，是因為AI系統被訓練成要說得自然，而不是要說得正確。
Many engineers view hallucinations as a design flaw that needs fundamentally new solutions.
許多工程師將幻覺問題視為設計缺陷，需要從根本上開發新方法才能解決。
- fabrication tendency
less common, describes the same systemic issue more literally
文法句型
hallucinations + is + [problem/challenge]
the problem of + hallucinations
用法筆記
In this sense, 'hallucinations' is treated as an uncountable mass noun referring to the phenomenon as a whole, not to individual false outputs. Compare sense 3, which refers to specific countable instances of false information.
常見錯誤
5. a firmly held belief or opinion that has no basis in reality and persists despit
幻想
脫離現實卻深信不疑的想法
a firmly held belief or opinion that has no basis in reality and persists despite clear evidence against it — used figuratively for a misconception that feels real but is not, similar to a collective fantasy or a stubborn wrong idea.
The journalist called the conspiracy theory a collective hallucination shared by distrustful readers.
那名記者將陰謀論稱為一群不信任官方消息來源的讀者所共有的集體幻想。
figurative use: collective hallucination
His belief that the company would recover without changes turned out to be a hallucination.
他認為公司不需改變就能復甦的想法，結果證明是一種幻想。
Professor Adegoke warned that the team's optimism about the project was a hallucination, not a realistic forecast.
Adegoke 教授警告說，團隊對該計畫的樂觀是一種幻想，並非實際的預測。
Elena called her opponent's entire theory a hallucination, and the moderator asked her to tone down the language.
Elena 稱對手的整個理論是幻想，主持人請她措辭收斂一些。
文法句型
be + a + hallucination
dismiss + something + as + a + hallucination
用法筆記
This is the figurative, non-medical sense. It overlaps with 'delusion' but carries a stronger implication of something imagined or fabricated by the mind rather than a fixed false belief. Avoid in clinical settings where precise diagnostic terms are needed.