[Waqqle]

Rosetta Stone is not how you learn quickly. Most people who use it do so as an excuse to avoid dealing with their approach anxiety and fear of rejection/making mistakes. You learn language the same way you learn game. Start by memorizing some lines and going out to practice those lines with strangers. Increase the number of lines and situations you use them in. You will pick up on patterns and, eventually, be able to break down lines well enough to mix and modify them on the fly. You will only learn by talking to people and practicing. To that end, I recommend starting with the Mimic Method if your target language is one Idahosa has a course for. Look into his program and you will see why.