因为我喜欢你所以别喜欢他
[yīn wéi wŏ xĭ huān nĭ suŏ yĭ bié xĭ huān tā]
This translates directly as 'because I like you, don't like him.' Expresses exclusivity or monopoly regarding affection; it's like a possessive declaration that emphasizes only oneself deserves the other's favor or love.