HSK 7-9
幻觉
huànjué名
illusion; hallucination; figment of one's imagination
极度疲劳可能使人产生幻觉。
Jí dù pí láo kě néng shǐ rén chǎn shēng huàn jué.
Extreme fatigue may cause hallucinations.
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Appears across levels (7-9) in the HSK 3.0 word list.