"I love you, you are my only one" can be translated to "我爱你，你是我的唯一" in Engpsh.

This phrase is commonly used to express one's love and affection towards a special someone, indicating that the person is the only one in their heart.

Here are some example sentences in Engpsh:

"I will always love you, you are my only one."
"My love for you will never fade, you are my only one."
"You have my heart, you are my only one."

And here are the translations in Chinese:

"我将永远爱你，你是我的唯一。"
"我对你的爱永远不会消逝，你是我的唯一。"
"你拥有我的心，你是我的唯一。"