One may consider consulting a private Japanese tutor. Alternatively one may undertake a language learning course including those offered by Rosetta Stone. One can purchase Rosetta Stone language learning courses via Amazon, eBay or the Rosetta Stone website.
The Pinsleur Spanish method is an easy way to learn Spanish and help you speak it quickly in a way that is similar to how we naturally learn language. It's less of a way to teach you grammar and more of a way to teach you how to speak it.
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get yourself a Japanese girlfriend
An easy way to learn calculus would be to take classes from an online school.
There is no easy way to learn the foxtrot to a high standard, however it is relatively easy to learn the basic steps of the foxtrot if one attended classes.
Learning Japanese is very difficult to learn within a short period of time, especially with Kanji. Your best route is to first learn the basics, starting with Hiragana, then Katakana. Once you have a grasp on those two, you can slowly work your way into Kanji, which is one of the harder ones to learn.
rosetta stone
Anyone can speak French! You should determine you style of learning to figure out how you can learn French the best way possible. A friend who can speak with you is also helpful.
Easy? English? The closest you can get is with a Texas accent.
Yes.....
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Study them.