He had been unwittingly deluded by their mystical nonsense.他不知不觉中被他们故弄玄虚的鬼话给骗了。

Sometimes you can be deluded into thinking that everything is going well.有的时候你会被蒙蔽, 以为一切进展顺利。

He deludes himself if he thinks that the company will support him.他要是以为公司会支持他就是在自欺欺人。

We delude ourselves that we are in control.我们骗自己说局面尽在掌握之中。