Yesterday is gone and tomorrow is just a figment of the imagination.

昨天已经过去了，而明天却是我们想象力所构想出来的。

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Those who have even a preliminary acquaintance with the structure and laws of the inner spheres of existence know that complete isolation of human beings is a figment of the imagination.

一个人哪怕对存在的精神领域的结构和规律只有初步知识，也知道人类完全孤立只不过是凭空想象。

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The attack wasn't just a figment of my imagination.

这种攻击不仅仅是我的臆想。

《柯林斯英汉双解大词典》

So-called bubbles are often a figment of the imagination.

FORBES: Fact and Comment

Both caricatured the "bogus" threat of "creeping shariah" as a figment of the superheated imagination of its American opponents.

CENTERFORSECURITYPOLICY: Conservatives for Shariah

The film, he explained, was composed of layers, because the Flanders of the painting is a surreal figment of the artist's imagination, comprising seven different perspectives.

CNN: Bringing Bruegel to the big screen