Definite Article with Languages
Rule 7.11: Do not use the indefinite article or the definite article when referring to the names of languages.
Correct: English is hard.
Incorrect: An English is hard.
Incorrect: The English is hard.
Correct: Bill wants to learn Chinese.
Incorrect: Bill wants to learn a Chinese.
Incorrect: Bill wants to learn the Chinese.
Rule 7.12: Use the definite article when the word language immediately follows the name of a language.
English is hard.
The English language is hard.
Bill wants to learn Chinese.
Bill wants to learn the Chinese language.