ある日 (Aru hi) is how you say one day in Japanese.
Ching
You mean 'day by day'. In that case you can say 'himashi ni yarimashou'.
To say the word no one (meaning anybody, nobody, or no one) in Japanese you would say __. If you want to say no one and mean everyone or anyone you would say __.
A school's "sports day" is called 運動会 (undoukai) in Japanese.
chea chaye choayu
Mō ichi-nichi means one more day in Japanese,but もう一日 are the signs that mean one more day in Japanese.
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 _______.
Ichi.
iie
If you meant to say "konichiwa" then it means good afternoon/good day in Japanese :L
kinyobi.
"Wise one" in Japanese is erai hito.偉い人