I love you with all my heart.
我全心全意愛你.
I love you for you.
我真心愛你!（簡單吧!當(dāng)你想表示愛的是對方的人,而不是其他如錢財,權(quán)勢等,就可以這樣說）
My love for you is as deep as the sea.
對你的愛,似海深.
I'll love you as long as I live.
愛你一輩子（愛你千萬年）.
If the sun were to rise in the west, I'd never change my mind to love you forever.
即使太陽從西邊出來,我對你的愛也不會改變.（順便溫習(xí)一下虛擬語氣吧）
You're the only man/woman I could be happy with.
（這句話是不是太夸張?）