Iam a Vietnamese,
i will say : " tôi yêu bạn! " ???? :)
In Hindi
Mai(n) tum ko pyar karta hu(n)
(n) is a nozzle sound
karta would be "karti" when speaker is a female
In arabic :)
بحبك
Szeretlek - in Hungarian :)
我爱你。 in Chinese