I love you but you love her.

　　我愛(ài)著你你卻愛(ài)著她。

　　You love me, as I love you.

　　你愛(ài)我，一如我愛(ài)你。

　　Love you, love you, may I love you?

　　愛(ài)你，愛(ài)你，我可以愛(ài)你嗎？