greek to me是什么意思

非正式用法，表示难懂的事物。

如：It's all Greek to me(I don't understand it at all.)我对它一窍不通。

it's greek to me
相当于i don't understand it.

应该是greet to me吧？
好像是《雪绒花》里的歌词，向我打招呼的意思吧

It's Greek to me. 对我来说是天书