lunatic

疯子、神经病贬义

He drove like a lunatic all the way down the mountain road.

他一路开下山，开车像个疯子。

狂人、疯狂的人

Only a lunatic would swim across that river at night.

只有狂人才会在晚上游泳横渡那条河。

精神病患者旧式

The building was once an asylum for lunatics.

这栋建筑曾是收容精神病患者的疗养院。

疯狂的、荒唐的

The company approved his lunatic plan without asking any questions.

公司完全没有质疑，就通过了他那个荒唐的计划。

精神失常的、疯癫的旧式

Old records described him as lunatic and unfit to testify.

旧纪录把他描述为精神失常、不适合作证。