student asking question

Is it really a common idiom?

teacher

Native speaker’s answer

Rebecca

"XYZ is All Greek to me" is not extremely common, but it is a practical idiom for a situation where someone doesn't understand something at all. It saw more use in the 1930s and then it became less popular till the 1980s. Ever since the '80s, it has increased in popularity dramatically.

Popular Q&As

02/07

Complete the expression with a quiz!