Ookii means 'big' in Japanese.
This does not appear to be Japanese.
"Byouin" is a Japanese phrase and in English it means "Hospital"
"Tanjoubi" is a Japanese phrase and in English it means "Birthday"
"Asu" is a Japanese phrase and in English it means "Tomorrow"
"Kinou" is a Japanese phrase and in English it means "Yesterday"
the word for great, as in 'this food is great', is sugoi you can also use subarashii and sutekina (wonderful and nice) if you mean great as in 'a great big bear', you can use ookii
and doesn't yatta mean something like that?
what does it mean in English and i may be able to help you
Demon means Oni in Japanese also mean folklore.
"Dokoe ikimasuka" is a Japanese phrase and in English it means "Where are you going?"
The phrase 'grande bridges' could be translated simply as 大きい橋 (ookii hashi) or 巨大な橋 (kyodai na hashi) in Japanese. Both of these translations mean 'large bridge' or 'gigantic bridge', as plurals are seldom used in Japanese.