Japanese people are VERY talented for recreation, re-use, re-mix...
Chinese language was introduced in Japan in the 1st century, then it has been changed and originated by Japanese people. Now these two languages are almost compretely different in terms of glammer, pronounciation and characters.
Japan is becoming more and more international today, BUT something is interfering with international communication...That's J-English! Not only it's pronounciation but also it's expression.
So please enjoy J-English here! Another way of develping Japan's international communication is your learning J-English! Let's have some exercise working out what they mean.