You look more beautiful every time I see you.
每次见到你，你都更漂亮。（妙就妙在用more这个词，很简单地就表示出“一次比一次更”漂亮的意思）
I love you with all my heart.
我全心全意爱你。
I love you for you.
我真心爱你！（简单吧!当你想表示爱的是对方的人,而不是其他如钱财,权势等,就可以这样说
For the same reason you like me, I like you, too.
我也喜欢你啊，就想你喜欢我一样。
My love for you is as deep as the sea.
对你的爱，似海深。
I'll love you as long as I live.
爱你一辈子（爱你千万年）。
