关于“你是我的唯一”的英文翻译，综合多个来源的信息整理如下：

一、核心翻译

基本翻译

- You are my only one.

- You're my only.

- You're the only one for me!

扩展表达

- I promise you anything. You are my one and only.

- Just like you is my beginning, you are my everlasting love.

- You have your work and friends, but you are my only.

二、使用建议

口语化表达：

优先使用 You're my only，更简洁且符合日常交流习惯。- 情感表达：搭配 I promise you anything或 Just like you is my beginning可增强情感传递。- 语法注意：避免混淆 only（形容词/副词）与 only one（名词短语），需根据语境选择正确形式。

三、其他相关表达

类似情感表达：

You're my heart, you're my all.

You're my forever love.

反义表达：

You're not my only one.

I've met others, but you're my favorite.

建议根据具体场景选择表达，情感表达类语句可适当调整语序以增强感染力。