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
Georgiana	jor-JYAH-nə, jor-JAY-nə	English
Roxane	rok-SAHN (French), rahk-SAN (English)	French, English, Ancient Greek
Cole	[kəul]
Heydar	-	Persian
Tauno	TOW-no	Finnish
Sonja	ZAWN-yah (German), SON-yah (Finnish)	German, Dutch, Swedish, Norwegian, Danish, Icelandic, Finnish, Slovene, Serbian, Croatian, Macedonia