a riddle wrapped in an enigma

Translations
загадка, окутанная тайной
The situation was a riddle wrapped in an enigma.
Ситуация была загадкой, окутанной тайной.
Definitions
A phrase used to describe something that is very mysterious or difficult to understand, often implying that it is complex and layered with hidden meanings.
Words
enigma

noun
загадка
riddle

noun
загадка
wrap

verb
заворачивать