"Kido" Do means "The Way", Ki means "Life giving energy" or power. Another translation of power is "Chikara"
You would say something like this, "Kido" or "Chikarado"
'Uchi no kanai wa nihonjin desu' would be a polite way to say that.
The way that you would say no one can understand me in Japanese is ________________. If you wanted to add the words but you to the end of no one can understand me, you would say _______.
Say it like you would the English way. "Huh"
Sorry for the funny word but I say it is "Kristily". The right way to say Crystal in Japanese would be kesshou (結晶).
'Issho ni asobimashou' ("Let's play together") would be a natural way to say "Play with me" in Japanese.
Karate is a Japanese world, so it would be said the same way. The Japanese word for child is kodomo.
'Minasan' is the formal way to say "everyone". The casual way to say "everyone" would be just 'Mina'.
'Jinsei wa tsumaranai desu' is a common formal way to say "life is boring" in Japanese. A common, yet informal way to say this would be 'jinsei nante tsumarani'.
The way you say panda in Japanese is: Gaara
The name isn't Japanese so it won't have a meaning. But the Japanese way to say the name would be シャンテル (Shanteru).
I would say it this way: 生と死の道 (Seitoshi no michi)
There are a few ways to say this, but one way would be がある (ga aru).