over your head
超出某人的理解范圍
口語·形容難以理解
英文釋義
to not understand something, usually because it is too complex or difficult
例句
The lecture on quantum physics went right over my head; I didn't get a word.
典故來源
源自物理空間比喻，東西在頭頂上方難以觸及，引申為知識或概念超出理解能力。