fancy

/ˈfænsi/

something many people believe that is false

中文释义：幻想；空想

His belief that he would win the lottery was just a fancy with no basis.

他相信自己会中彩票，这不过是没有根据的幻想。

The idea of living on Mars is a fancy that many scientists dismiss.

在火星上生活的想法是许多科学家不予考虑的幻想。