If your suggestion is aimed at providing a cure for the reputation Perl has for being "too flexible and lax in structure", then I don't see how a "translation in English" would help. Maybe a translation in a less flexible language would do!
Sad (?) truth is that some idioms are better explained in English, some other are better explained in Perl.
It's just the same in other fields as well: in Mathematics we use formulas to express concisely concepts that would be next to unitelligible if we tried to verbosely expand them into plain English. But if we tried to express everything only with formulas, as they do in formal language studies, it would be just as unintelligible: in fact some ideas are better expressed verbosely in a natural language. The analogy is not perfect but I think it gives an idea...
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