fable

他声称自己见过外星人，但那只是个虚构的故事。

He claimed to have seen aliens, but it was just a ___fable.

这个寓言讲述了一只聪明的狐狸如何智胜贪婪的狼。

The ___fable tells how a clever fox outwitted a greedy wolf.

龟兔赛跑这个寓言告诉我们骄傲会让人失败。

The ___fable of the tortoise and the hare teaches us that pride leads to failure.