In the speech, the speaker is disillusioned with the idea of leading a narrowly-focused life.

在演讲中，演讲者对过着狭隘的生活的想法感到失望。

Because I'm disillusioned with the school system.

因为学校的教育体系让我大失所望。

If there's an illusion, you think something is true, you were disillusioned with our current gun laws.

如果有错觉， 你认为某事是真的， 你对我们现行的枪支法感到失望。

People who are disillusioned with life on  Earth may discover a sense of hope elsewhere in the solar system as the first astronauts  temporarily settle on Mars.

当第一批宇航员暂时定居火星时，对地球上的生活不再抱有幻想的人可能会在太阳系的其他地方发现希望。