chimera

她成为名人的梦想不过是个幻影。

Her dream of becoming a celebrity was just a ___chimera.

这家创业公司声称用人工智能替代所有人工的承诺，最终证明只是空中楼阁。

The startup's promise of replacing all human labor with AI turned out to be a ___chimera.

几十年来，通过外交途径解决这场冲突一直是一个无法企及的幻想。

For decades, finding a diplomatic solution to the conflict remained a ___chimera.