夏洛克·福尔摩斯是一个著名的虚构人物。

Sherlock Holmes is a well-known ___fictional character.

这部小说设定在一个拥有自身规则和历史的虚构世界中。

The novel is set in a ___fictional world with its own rules and history.

她对事件的虚构描述如此生动，以至于一些读者信以为真。

Her ___fictional account of the events was so vivid that some readers believed it to be true.