How to translate text from only one language?

Question

Google translate

There is a lot of text!
Among it there are 2 languages!
It's English and Persian!
How to translate text from Persian, but do not touch the English text!?
Is there such a translator?

Answer 1

no, there is such a code, you
analyze the string into the language, and if English - you don’t send
Google if it searches itself, and it doesn’t translate English,
but it takes money for signs