"riddle wrapped in an enigma" in Chinese (Simplified)
谜中之谜
Definition
指极其神秘，难以理解或解释的人或事，因为其包含许多层谜团。
Usage Notes (Chinese (Simplified))
属于正式或文学表达，常用来形容极度复杂神秘的事或人。常见于历史、政治或抽象话题，不用于日常口语。
Examples
The ancient text is a riddle wrapped in an enigma.
这本古代文本是个**谜中之谜**。
His story is a riddle wrapped in an enigma.
他的故事是个**谜中之谜**。
That painting is a riddle wrapped in an enigma to the experts.
那幅画对专家来说是个**谜中之谜**。
Trying to figure out why he left is a riddle wrapped in an enigma.
试图搞清楚他为什么离开是个**谜中之谜**。
Her true feelings are a riddle wrapped in an enigma to everyone.
她的真实感受对所有人来说都是个**谜中之谜**。
The whole situation is a riddle wrapped in an enigma and nobody has answers.
整个情况都是个**谜中之谜**，没人有答案。