关于“这个夏天有你真好”的英语翻译，综合多个权威来源整理如下：

一、常用表达

核心翻译

- This summer is wonderful with you.

- It's wonderful to have you this summer.

- It's so lucky to have you this summer.

扩展表达

- Your presence brings warmth to my summer.

- This summer becomes more colorful because of you.

- I'm thinking of you； I have you to share this summer with.

二、适用场景

情感表达：

适用于向朋友、恋人或亲人表达陪伴与温暖，如：

> "Thank you for being here this summer. Your laughter fills every day."

诗意表达：适合用于歌词或抒情场景，例如：

> "I can see the world's beauty with you by my side"

三、注意事项

中文量词"个"在英文中无需单独翻译，直接用数词"this summer"修饰即可；

长句中建议使用分号或换行提升可读性，如：

> "I'm thinking of you； I have you to share this summer with. You're my direction, my comfort..."

建议根据具体场景选择表达方式，搭配贴切的例句使用效果更佳。