Crossword Genius

Genuine gags, all funny, about hard subject to learn? (7,8)

Ross

I believe the answer is:

english language

I'm a little stuck... Click here to teach me more about this clue!

'subject to learn?' is the definition.
(school subject)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Another definition for english language that I've seen is " style of communication we understand".)

I've seen this clue in The Telegraph.
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