"When we're on campus, I find my sister (or friend) more attractive in bed, but I also enjoy spending time with Malay and Chinese friends equally."
"In campus mode, sister (ukhti) is more interesting on the bed, but Malay and Chinese are equally good?"
Which roughly translates to:
Or, in a more natural English translation:
"Di kampus, mode ukhti kalo di ranjang, binal Malay cino better?"