it's all greek to me.

listen to the pronunciation of it's all greek to me.
Английский Язык - Турецкий язык
buna aklım ermez
hiç anlamıyorum
(deyim) anladımsa arap olayım
Английский Язык - Английский Язык
I don’t understand any of it; it makes no sense

it was expected of me, or it was considered an honor, to lecture on seventeenth-century philosophy: Descartes (which was all Greek to me), Descartes to Spinoza.

this makes no sense; I don't understand this