- 我以为我看见鬼了，其实只是一种幻觉。
I thought I saw a ghost but it was just an optical illusion.
- 谵妄一种暂时精神混乱和神志不清的状态，由高烧、酒醉、休克、震惊或其它原因导致。其症状是：焦虑、迷失方向、发生幻觉、妄想、颤抖和说胡话
A temporary state of mental confusion and clouded consciousness resulting from high fever, intoxication, shock, or other causes. It is characterized by anxiety, disorientation, hallucinations, delusions, trembling, and incoherent speech.
- 吸毒成瘾的人常常产生幻觉。
Drug addicts often hallucinate.
- 拟精神幻觉的能引起幻觉、幻想或其它精神病症状的，用于药物
Tending to induce hallucinations, delusions, or other symptoms of a psychosis. Used of a drug.
- 他抱有她爱他的幻觉，但他错了。
He cherished the illusion that she loved him, but he was wrong.
