If you want to know precisely how to print the result page as PDF on all popular web browsers, please check out our guide on 'How to Save a Webpage as a PDF'. Print > Choose 'Save as PDF' instead of a PDF > Print your file to PDF format. Luckily, you always use the Print to PDF function, which works on most browser.
As Google translate PDF files, it does not offer the ability to save the converted version again as a PDF.