Sooner or later, my answer to a riddle will be opened.

总有一天，我的谜底会解开。

youdao

Everything is a mystery, and the answer to a riddle is another riddle.

一切都是谜，一个谜的答案是另一个谜。

youdao

Who can think this question to put forward the standard answer to a riddle?

谁又可认为这个问题提出规范谜底？

youdao

The answer to a given riddle is not always right in front of you.

FORBES: Freakonomics: The Hidden Side of Managing Money ( September 2, 2005 )

Egoyan aims his restrained camera at a small Adirondack community that's suffering an answer to that riddle on a grand scale.

CNN: Review: Vengeance in a town full of grief in 'The Sweet Hereafter'

The 21st-century answer to this 18th-century riddle is that a species is what a taxonomist says it is.

ECONOMIST: Species inflation