The word 'schoolgirl' translated into Japanese is 'joshigakusei' (女子学生)
"Pearl" is 'shinju.'
The world sickle is 'kama' in Japanese, written: 鎌
I think you mean どうぞ (douzo) which means 'please' or 'go ahead' in Japanese.
Sekai improvment: that's right the one above but the character is 世界
地球 (chikyuu) would mean "Globe" or "Earth" and 世界 (sekai) means "world".
"World" in English is mondo in Italian.
Japanese is translated all over the world on a daily basis. It's impossible to express this in "number of times."
Jehan
"World cup" in English is coppa del mondo or mondiale in Italian.
"All the world" in English means tout le monde in French.
il mio mondo
Un mondo in Italian means literally "a world" or "one world" in English.