The Ghost Festival
We wouldn't say it because Chinese don't celebrate Halloween!
try a Halloween store or Chinese store
Halloween. Samhain is still celebrated today, but most commonly, it is Halloween.
愉快的万圣节
万圣节 wan sheng jie
The Chinese equivalent of a Japanese Geisha is known as Yi Ji or Qinglou Nuzi, as far as I can tell.
There is not an equivalent of alphabetical order for the Chinese language. They do not use letters. Instead, they use characters that are called logograms.
God, of course. Buddha is just the Chinese equivalent of Jesus.
万圣节快乐 [kàn shèng jié kuài lè]
yes
Q235a
Some cultures just don't celebrate certain holidays, just as us Americans don't celebrate Day of the Dead, the equivalent of Halloween in Mexico.