It's all Greek to me

It's all Greek to me.

(informal)

something that you say when you do not understand something that is written or said

Usage notes: This phrase comes from Shakespeare's play, Julius Caesar.

I've tried reading the manual but it's all Greek to me.

Name	Pronounced	Usage
Lim	-	Chinese
Vico	VEE-ko	Italian
Miska	MEES-kah (Finnish)	Hungarian, Finnish
Isabella	ee-zah-BEL-lah (Italian), iz-ə-BEL-ə (English)	Italian, German, English, Swedish, Norwegian, Danish, Dutch, Romanian
Kanchana	-	Tamil
Holger	-	Swedish, Norwegian, Danish