above (one's) head

Being too advanced or difficult for one to be able to comprehend, understand, or complete; beyond one's abilities. I thought I could handle this advanced math class, but the stuff we're learning is just way above my head.

Common Names:

Name	Pronounced	Usage
Christy	['kristi:]
Sequoia	sə-KOI-ə	English (Rare)
Nola	['nəulə]
Jola	-	Polish
Jon (1)	YOON (Swedish, Norwegian), YON (Danish, Basque)	Swedish, Norwegian, Danish, Basque
Nickolas	NIK-ə-ləs	English