Idiom: It's all Greek to me

[Semen]

English Language Tests, Intermediate level

ESL/EFL Test #207 "What Comes Next? (1)", question 4

I just don't follow a single word — I'm afraid it's all ..........

(a) Spanish to me
(b) German to me
(c) Welsh to me
(d) Greek to me

English Language Tests, Intermediate level

ESL/EFL Test #207 "What Comes Next? (1)", answer 4

I just don't follow a single word — I'm afraid it's all Greek to me.

Correct answer: (d) Greek to me

Your answer was: incorrect
I just don't follow a single word — I'm afraid it's all Welsh to me.
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Please explain for me why we use Greek to me here, not Welsh to me

Semen

[Yankee]

.
"It's all Greek to me" is a fixed idiom. You can use this expression to say that you don't understand the meaning of something that you've read or heard.
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Amy
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ESL teacher, translator, and a native speaker of American English

[Alan]

Hi,

Apparently the expression comes from a medieval Latin proverb, which translates as:

If it's Greek, it can't be read.

Alan
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English as a Second Language
You can read my ESL story Colour Idioms