Secret language learning hack: if you have a Kindle, download books in your target language, and also load a dictionary of that language in. You will be able to

Secret language learning hack: if you have a Kindle, download books in your target language, and also load a dictionary of that language in. You will be able to read and get translations for unknown words just by hovering over the word. I pushed through Cien Años and game of thrones in this manner.