可信度不高的（形容词）

(adjective) Describing stories that are highly unlikely, but that often may be repeated and valued despite being obviously untrue.

EXAMPLE: Many cultures cherish apocryphal stories about the magical powers of their ancient founders.
很多文化都有关于古代开国者的神奇力量的可信度不高的故事。

多余的人

A person who serves no function.

EXAMPLE: When my father gave all my responsiblies in our family's business to my brothers, I felt like a fifth wheel, and so I started looking for another job.

当我父亲把家里的生意都交给我的哥哥们时，我觉得自己是个多余的人，所以开始找别的工作。