lunatic

This murderous lunatic could kill them both without a second thought.(这个杀人狂会毫不犹豫地把他们两人都杀掉。)

One lunatic with a gun could have changed everything.(如果有个带枪的疯子，一切可能全被改变。)

A patient in a lunatic asylum is fishing in a dry pond when a nurse passing by tries to tease him.(疯人院里有一个精神病患者守着一个干涸了的池塘在钓鱼。一个护士从旁边经过，看到这一幕觉得很好笑，便走上去逗弄他。)

The official dismissed the speech as the ramblings of a desperate lunatic.(该官员将那个演说视为一个绝望的疯子的胡言乱语而不予理会。)

Her son thinks she's an absolute raving lunatic.(她的儿子认为她是个十足的满口胡言的疯子。)

The court committed her to a lunatic asylum.(法院把她送进精神病院。)

Nelson: Out of 13 sheer 14 perverse curiosity. How does a 15 lunatic like you help a guy like me?(尼尔森：荒谬透顶，像你这样的疯子怎么能帮助像我这样的人？)

Such a man would be in the lunatic asylum.(因为这样的人可能会进精神病院。)

I might as well have struggled with a bear, or reasoned with a lunatic.(我还不如跟只熊搏斗，或是跟疯子论理还好些。)

We simply ignore such a passing lunatic disdain.(我们根本不屑理会这种路过的疯子。)