I have hallucinations after drinking.

我喝酒后产生了幻觉。

Hallucinations are illusory.

幻觉是虚假的。

The hallucination makes him upset.

这种幻觉让他很沮丧。

A high temperature can cause hallucinations.

高温可使人产生幻觉

High temperatures can cause hallucination.

高烧可使人产生幻觉。

Visual hallucination is a common non-motor symptom among patients with PD.

视幻觉是帕金森（PD）患者常见的一种非运动性症状。

The main clinical manifestations were consciousness disorder accompanied by incoherence of thinking, amnesia, visual hallucination and behavioral disturbance.

主要临床表现为意识障碍，伴有思维紊乱、健忘、视觉幻觉和行为障碍。

Was the figure real or just a hallucination?

那个人影是真的呢，还是幻象？

Steady as a hallucination in the streaming air.

如此平稳，如同流动的空气中的幻觉。