“人设崩塌了”英语怎么说？

人设

persona      [ pəˈsəʊnə ]
（与实际性格不同的）表面形象

柯林斯词典的释义

Someone's persona is the aspect of their character or nature that they present to other people, perhaps in contrast to their real character or nature.

某人的人设是他们将性格或本性的某方面呈现给其他人，也许与他们的真实性格或本性相差甚远。

例句

His public persona is quite different from the family man described in the book.

他的公开形象与书中描写的恋家男人相去甚远。

人设崩了  ruin one's  public persona

He ruined his public persona.

他的人设崩了。