If you mean "How's it going?", then it would be "O genki desu ka?" [oh gehn-key dess kah] If you mean "I don't understand, how is that possible.." type of question, then you should probably use "Iie, wakarimasen" [ee-eh, wah-kah-ree-mas-ehn].
White when translated from English to Japanese is shiro for shiro means white
Dog in Japanese is 'inu'.
Chocolate is 'chokoreeto' in Japanese.
Domo.
Yonbanme
Koibito.
Sakarerumono
Owari
Hajime mashite?
何 (nani)
'Itoko.'
'Tenshi.'