wheel within a wheel

Something that is very complex and perhaps overly complicated. The phrase originated in the Bible. I can't figure out how to turn off this alarm system—it's really a wheel within a wheel.

Common Names:

Name	Pronounced	Usage
Baptist	-	German
Mihael	-	Slovene, Croatian
Libby	['libi]
Arax	-	Armenian
Havilah	HAV-i-lə (English)	Biblical
Patricia	pə-TRISH-ə (English), pah-TREE-thyah (Spanish), pah-TREE-syah (Latin American Spanish), pah-TREE-tsee-ah (German)	English, Spanish, German, Late Roman