Chinese: I love you?
English: i love you! ?
French: je t'aime / je t'adore !?
German: ich liebe dich!?
Russian: ya vas iyublyu, ya tibia lyublyu !?
Japanese: 爱してる! (This is probably the pronunciation #_# "ai si te ru") That just means love~~ but not that I love you~~ The complete meaning is " "はたしはぁなたをぁぃします"——Thank you for the modification of the smile (pronounced Kimi oaishiteru Sukiyo)
Korean: tangshin-i cho-a-yo!?
Italian: ti amo, ti vogliobene!?
Spanish: te amo, tequiero!?
Portuguese: eu amo-te!?
Dutch: ik hou van jou !?
Belgian Flemish: ik zie u graag !?
Polish: kocham cie, ja cie kocham !?
Greek: s'agapo !?
Hungarian: szeretlek !?