On the PDF, write any line in English and Mandarin, then add 3 more lines in English or French (the language you are learning). Keep your PDFs and review them each week.
在PDF上,用英文和中文各写一句话,然后再用英文或法文(你正在学习的语言)写另外三句话。请保存你的PDF,并每周复习一次。