mandarin/canto song HELP! does anyone know this song? [wo ai ni….]?

Okay, i hear this song a lot.
haha mostly on like people’s wedding DVDs or something.
mostly, i hear the version done by a girl[s], but i’ve heard a version by a guy before.

it’s like, HALF canto and the CHORUS is in mandarin.
like the chorus goes…
wo ai ni.
ai xa ni.
and then someone other words after it. lol

or SOMETHING like that…
i’m not very good with pinyins.

does anyone know what im talking about?! O__o