n. illusory perception; a common symptom of severe mental disorder
n. an object perceived during a hallucinatory episode
n. 幻觉, 幻想
[医] 幻觉
1. The patient reported seeing things that weren't there, which is a symptom of hallucination.
病人报告说看到了不存在的东西，这是幻觉的一个症状。
2. After staying awake for too long, she started to experience hallucinations.
她熬夜太久后开始出现幻觉。
3. Hallucinations can be caused by various factors, including stress and illness.
幻觉可能由多种因素引起，包括压力和疾病。