Study the language every day. People often claim to have studied a language "for five years" and still not be fluent. But when they say five years, they probably mean that they studied the language for only a couple of hours a week over that entire time period. Let's get one thing clear -- if you want to learn a new language quickly -- that is, in the space of a few weeks or months -- you're going to have to commit to studying the language for a couple of hours per day.