她的乌托邦主义让她相信世界可以实现彻底的和平与平等。

Her ___utopianism makes her believe the world can achieve complete peace and equality.

他的演讲充满了对完美社会的乌托邦式幻想，却忽视了现实的复杂性。

His speech was full of ___utopianism, dreaming of a perfect society while ignoring real-world complexities.