all Greek to me
對某事一無所知、毫無概念或聽不懂
口語·形容難以理解
英文釋義
something that is difficult or impossible to understand or comprehend
例句
This physics lecture is all Greek to me—I don't understand a word.
典故來源
源自莎士比亞戲劇《凱撒大帝》，希臘語對羅馬人來說難以理解，比喻完全聽不懂。